terrestrial
Relating to the Earth rather than to other planets, or describing animals and plants that live or grow on land rather than in the sea or air. In telecommunications, it refers to signals transmitted over the ground rather than via satellite.
例文
3 / 5Elephants are the largest terrestrial mammals currently living on our planet.
Elephants are the largest land-dwelling mammals currently living on our planet.
The environmental treaty specifically addresses the conservation of terrestrial ecosystems in developing nations.
The environmental agreement specifically deals with the protection of land-based natural systems in developing countries.
I don't have a satellite dish, so I only get the basic terrestrial channels.
I don't have a satellite dish, so I only receive the standard land-broadcasted TV channels.
語族
覚え方のコツ
Look at the root 'terra,' which means earth. Think of 'terrain' (the ground) or a 'terrier' (a dog originally bred to hunt in holes in the earth).
クイックテスト
Unlike dolphins, which are marine mammals, bears are _____ animals that live in forests.
正解！
正解は： terrestrial
例文
Elephants are the largest terrestrial mammals currently living on our planet.
everydayElephants are the largest land-dwelling mammals currently living on our planet.
The environmental treaty specifically addresses the conservation of terrestrial ecosystems in developing nations.
formalThe environmental agreement specifically deals with the protection of land-based natural systems in developing countries.
I don't have a satellite dish, so I only get the basic terrestrial channels.
informalI don't have a satellite dish, so I only receive the standard land-broadcasted TV channels.
Researchers compared the skeletal structures of aquatic species with those of their terrestrial ancestors.
academicScientists compared the bone structures of water-dwelling species with those of their land-dwelling ancestors.
Our company is shifting its focus from satellite-linked communications to terrestrial fiber-optic networks.
businessOur firm is changing its focus from satellite-based communications to land-based fiber-optic systems.
語族
よく使う組み合わせ
よく使うフレーズ
terrestrial globe
a spherical model representing the Earth
terrestrial radiation
long-wave electromagnetic radiation emitted by the Earth
non-terrestrial
not originating from or relating to the Earth
よく混同される語
Territorial relates to the defense or ownership of a specific area of land, whereas terrestrial relates to the nature of being on land or Earth.
使い方のコツ
This word is most commonly used in scientific contexts (biology, astronomy, geology) or technical contexts (broadcasting). It functions primarily as an adjective to distinguish land-based things from those in the water, air, or space.
よくある間違い
Learners often use 'earthly' when they mean 'terrestrial.' Use 'terrestrial' for physical or biological land-based contexts, and 'earthly' for worldly or material contexts (e.g., 'earthly possessions').
覚え方のコツ
Look at the root 'terra,' which means earth. Think of 'terrain' (the ground) or a 'terrier' (a dog originally bred to hunt in holes in the earth).
語源
Derived from the Latin word 'terrestris,' from 'terra' meaning 'earth' or 'land.'
文法パターン
文化的な背景
In many countries, especially the UK, 'terrestrial television' is a standard term used to distinguish free public broadcasts from cable or satellite services.
クイックテスト
Unlike dolphins, which are marine mammals, bears are _____ animals that live in forests.
正解！
正解は： terrestrial
関連語彙
関連単語
to
A1Used to indicate the place, person, or thing that someone or something moves toward. It can also mark the recipient of an action or the limit of a range.
and
A1A primary conjunction used to connect words, phrases, or clauses that are grammatically equal. It indicates addition, a sequence of events, or a relationship between two things.
a
A1A word used before a singular noun that is not specific or is being mentioned for the first time. It is used only before words that begin with a consonant sound to indicate one of something.
that
A1This word is a demonstrative pronoun used to indicate a specific person, object, or idea that is further away in space or time from the speaker. It is also used to refer back to something that has already been mentioned or to introduce a clause that identifies something.
I
A1The pronoun 'I' is used by a speaker or writer to refer to themselves as the subject of a verb. It is the first-person singular subject pronoun in English and is always capitalized regardless of its position in a sentence.
for
A1Used to show who is intended to have or use something, or to explain the purpose or reason for an action. It is also frequently used to indicate a specific duration of time.
not
A1A function word used to express negation or denial. It is primarily used to make a sentence or phrase negative, often following an auxiliary verb or the verb 'to be'.
with
A1A preposition used to indicate that people or things are together, in the same place, or performing an action together. It can also describe the instrument used to perform an action or a characteristic that someone or something has.
he
A1A pronoun used to refer to a male person or animal that has already been mentioned or is easily identified. It functions as the subject of a sentence.
you
A1Used to refer to the person or people that the speaker is addressing. It is the second-person pronoun used for both singular and plural subjects and objects.
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