comet
A comet is a small object in space made of ice and dust that travels around the sun. When it gets close to the sun, it develops a bright, long tail of gas and dust that can often be seen from Earth.
例句
3 / 5Look at the sky; you can see the bright comet tonight.
Look at the sky; you can see the bright comet tonight.
The astronomical society is monitoring the trajectory of the newly discovered comet.
The astronomical society is monitoring the trajectory of the newly discovered comet.
Did you see that comet? It was so cool!
Did you see that comet? It was so cool!
词族
记忆技巧
Think of a 'Comb' with long hair. The word comet comes from the Greek word for 'long-haired', referring to its long tail.
快速测验
Scientists used a telescope to watch the ___ fly past the sun.
正确!
正确答案是: comet
例句
Look at the sky; you can see the bright comet tonight.
everydayLook at the sky; you can see the bright comet tonight.
The astronomical society is monitoring the trajectory of the newly discovered comet.
formalThe astronomical society is monitoring the trajectory of the newly discovered comet.
Did you see that comet? It was so cool!
informalDid you see that comet? It was so cool!
Comets are often described as 'dirty snowballs' because they are composed of frozen gases and rock.
academicComets are often described as 'dirty snowballs' because they are composed of frozen gases and rock.
We have named our latest high-speed delivery service 'The Comet' to represent speed.
businessWe have named our latest high-speed delivery service 'The Comet' to represent speed.
词族
常见搭配
常用短语
Halley's Comet
Halley's Comet
comet-like speed
comet-like speed
a passing comet
a passing comet
容易混淆的词
A meteor is a small piece of rock that burns up in Earth's atmosphere, while a comet is a large icy body orbiting the sun.
使用说明
The word is primarily used in scientific and general contexts to describe the specific space object. Figuratively, it can describe something that appears suddenly, shines brightly, and disappears quickly.
常见错误
Learners often call any bright light in the sky a comet, but a comet stays visible for days or weeks, unlike a meteor which lasts only seconds.
记忆技巧
Think of a 'Comb' with long hair. The word comet comes from the Greek word for 'long-haired', referring to its long tail.
词源
From the Greek word 'kometes', which means 'long-haired star'.
语法模式
文化背景
In many ancient cultures, comets were feared as omens or signs of important changes or disasters.
快速测验
Scientists used a telescope to watch the ___ fly past the sun.
正确!
正确答案是: comet
相关词汇
A telescope is a long, tube-shaped tool that helps you see t...
astronomyAstronomy is the scientific study of stars, planets, and eve...
meteorA piece of rock or metal from space that enters Earth's atmo...
asteroidAn asteroid is a large rock that travels through space and o...
orbitAn orbit is the curved path that a planet or object takes as...
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