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.
例句
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.
词族
记忆技巧
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).
快速测验
Unlike dolphins, which are marine mammals, bears are _____ animals that live in forests.
正确!
正确答案是: terrestrial
例句
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.
词族
常见搭配
常用短语
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
容易混淆的词
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.
使用说明
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.
常见错误
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').
记忆技巧
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).
词源
Derived from the Latin word 'terrestris,' from 'terra' meaning 'earth' or 'land.'
语法模式
文化背景
In many countries, especially the UK, 'terrestrial television' is a standard term used to distinguish free public broadcasts from cable or satellite services.
快速测验
Unlike dolphins, which are marine mammals, bears are _____ animals that live in forests.
正确!
正确答案是: terrestrial
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