galaxy
A galaxy is a very large group of stars, gas, and dust held together by gravity. There are billions of galaxies in the universe, and our home is called the Milky Way.
例句
3 / 5The Milky Way is the name of our galaxy.
The Milky Way is the name of our galaxy.
Astronomers use powerful telescopes to observe a distant galaxy.
Astronomers use powerful telescopes to observe a distant galaxy.
Check out this cool picture of a spiral galaxy!
Check out this cool picture of a spiral galaxy!
词族
记忆技巧
Think of the 'Galaxy' chocolate bar; just like the bar has many pieces, a galaxy has billions of stars.
快速测验
Scientists believe there are billions of _______ in the visible universe.
正确!
正确答案是: galaxies
例句
The Milky Way is the name of our galaxy.
everydayThe Milky Way is the name of our galaxy.
Astronomers use powerful telescopes to observe a distant galaxy.
formalAstronomers use powerful telescopes to observe a distant galaxy.
Check out this cool picture of a spiral galaxy!
informalCheck out this cool picture of a spiral galaxy!
The formation of a galaxy takes billions of years.
academicThe formation of a galaxy takes billions of years.
Our brand aims to reach a galaxy of new potential clients.
businessOur brand aims to reach a galaxy of new potential clients.
词族
常见搭配
常用短语
a galaxy of stars
a galaxy of stars (a group of famous or brilliant people)
far, far away in another galaxy
far, far away in another galaxy
guardians of the galaxy
guardians of the galaxy
容易混淆的词
The universe contains everything that exists, while a galaxy is just one of many large systems within it.
A solar system is a star and the planets around it; a galaxy contains billions of such solar systems.
使用说明
Use 'galaxy' when referring to large-scale structures in space. It can also be used figuratively to describe a large and brilliant collection of people or things.
常见错误
Learners often forget that the plural of galaxy is 'galaxies' (dropping the 'y' and adding 'ies').
记忆技巧
Think of the 'Galaxy' chocolate bar; just like the bar has many pieces, a galaxy has billions of stars.
词源
From the Greek word 'galaxias', which comes from 'gala', meaning 'milk' (referring to the Milky Way).
语法模式
文化背景
The word is heavily associated with science fiction culture, such as the 'Star Wars' opening crawl and the 'Guardians of the Galaxy' franchise.
快速测验
Scientists believe there are billions of _______ in the visible universe.
正确!
正确答案是: galaxies
相关词汇
更多nature词汇
algae
A1Algae 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.
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.
评论 (0)
登录后评论免费开始学习语言
免费开始学习