algae
Algae are simple plants that grow in or near water and do not have ordinary leaves or roots. They can be very small like green spots or very large like seaweed found in the ocean.
例文
3 / 5The water in the old pond is green because of the algae.
The pond water looks green because there are many tiny water plants in it.
Scientists are studying how algae can be used to make clean fuel.
Researchers are looking at these water plants as a source of energy.
Don't swim there; the water is full of slimy algae.
Avoid swimming in that spot because the water has too much green slime.
語族
覚え方のコツ
Think of the letters 'AL-G' as 'All Green' things floating in the water.
クイックテスト
The fish in the tank are difficult to see because the glass is covered in green ____.
正解！
正解は： algae
例文
The water in the old pond is green because of the algae.
everydayThe pond water looks green because there are many tiny water plants in it.
Scientists are studying how algae can be used to make clean fuel.
formalResearchers are looking at these water plants as a source of energy.
Don't swim there; the water is full of slimy algae.
informalAvoid swimming in that spot because the water has too much green slime.
Algae produce a large portion of the Earth's oxygen through photosynthesis.
academicThese aquatic plants create a lot of the air we breathe using sunlight.
The company is looking for investors for its new algae farming project.
businessThe business wants people to put money into their plan to grow water plants.
語族
よく使う組み合わせ
よく使うフレーズ
algal bloom
a sudden growth of many algae in water
pond scum
a layer of algae on the surface of a pond
sea moss
a type of red algae used in food or medicine
よく混同される語
Moss grows on land or damp surfaces and has small leaves, while algae usually live in water and have no leaves.
Fungi do not use sunlight to make food, whereas algae use photosynthesis like plants.
使い方のコツ
In everyday English, 'algae' is used as both a singular and plural noun. In scientific English, 'alga' is the singular and 'algae' is the plural.
よくある間違い
Many learners treat 'algae' as a singular noun (e.g., 'the algae is green'), but it is technically a plural noun.
覚え方のコツ
Think of the letters 'AL-G' as 'All Green' things floating in the water.
語源
From the Latin word 'alga', which means seaweed.
文法パターン
文化的な背景
Certain types of algae, like seaweed, are very important in Asian cuisines, especially in Japan and Korea.
クイックテスト
The fish in the tank are difficult to see because the glass is covered in green ____.
正解！
正解は： algae
関連語彙
A plant or animal that lives in or on water, rather than on...
photosynthesisPhotosynthesis is the natural process that green plants use...
ecosystemA biological community of interacting organisms and their ph...
oceanA very large area of salt water that covers the majority of...
waterH2O liquid
natureの関連語
predator
A1A predator is an animal that hunts, kills, and eats other animals to survive. This word is also used to describe people or companies that take advantage of others.
prey
A1Prey is an animal that is caught and killed by another animal for food. It is the animal that is hunted in nature.
carnivore
A1A carnivore is an animal that gets its food from eating other animals. These animals are often called meat-eaters and have special teeth for hunting and eating flesh.
herbivore
A1A herbivore is an animal that eats only plants, such as grass, leaves, and fruits. These animals do not eat meat or other animals.
savanna
A1A savanna is a large, flat area of land covered with grass and only a few scattered trees. It is mostly found in hot regions, such as Africa and South America, and supports a wide variety of wildlife.
estuary
A1An estuary is the wide part of a river where it joins the sea. It is a unique place where fresh water from the river mixes with salty water from the ocean.
undergrowth
A1Undergrowth refers to the small plants, bushes, and shrubs that grow on the ground beneath the taller trees in a forest or wood. It is often dense and can make walking through the area difficult.
germination
A1Germination is the process where a seed starts to grow into a new plant. It happens when the seed has enough water, the right temperature, and oxygen.
evergreen
A1An evergreen is a tree or plant that keeps its green leaves all year round, even in the winter. Unlike deciduous trees, it does not lose its foliage during the cold seasons.
ocean
A1A very large area of salt water that covers the majority of the Earth's surface. It is much larger than a sea and surrounds the continents.
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