Word · Frequency #10495
crater
火山口
a bowl-shaped geological formation at the top of a volcano
- 1.
A hemispherical pit created by the impact of a meteorite or other object.
陨石或其他物体撞击形成的半球形坑。
- 2.
a bowl-shaped geological formation at the top of a volcano
火山顶部的碗状地质构造
- 3.
The basin-like opening or mouth of a volcano, through which the chief eruption comes; similarly, the mouth of a geyser, about which a cone of silica is often built up.
火山口,火山主要喷发物由此涌出的盆状开口；也指间歇泉口,周围常堆积硅质锥形物。
- 4.
a faint constellation in the southern hemisphere near Hydra and Corvus
南半球靠近长蛇座和乌鸦座的暗淡星座
- 5.
The pit left by the explosion of a mine or bomb.
地雷或炸弹爆炸后留下的坑。
- 6.
a bowl-shaped depression formed by the impact of a meteorite or bomb
陨石或炸弹撞击形成的碗状凹陷
陨石或其他物体撞击形成的半球形坑。；火山顶部的碗状地质构造；火山口,火山主要喷发物由此涌出的盆状开口；也指间歇泉口,周围常堆积硅质锥形物。；南半球靠近长蛇座和乌鸦座的暗淡星座；地雷或炸弹爆炸后留下的坑。
In use
We hiked to the edge of the crater and looked down at the steaming rocks.
The volcano's crater is filled with water from recent rain.
Scientists study the crater to understand past eruptions.
a crater in/on [place]
crater 可指环形山、火山口或弹坑，具体含义根据语境判断。
Astronomers found a new crater on the far side of the moon.
天文学家在月球背面发现了一个新的环形山。
the crater of [volcano/mountain]
用 of 结构强调火山口与山体的所属关系。
The crater of the volcano is visible from the village.
从村子里就能看到那座火山的火山口。
a crater caused/formed by [impact/explosion]
过去分词短语后置修饰 crater，可以说明其成因。
Connections
Collocations
- volcanic crater
- 火山口
- The volcanic crater was still releasing steam.这个火山口仍在冒着蒸汽。
- impact crater
- 撞击坑
- The impact crater on the moon is visible through a telescope.月球上的撞击坑可以通过望远镜看到。
- crater lake
- 火山口湖
- Crater Lake in Oregon was formed in a collapsed volcanic crater.俄勒冈州的火山口湖是由塌陷的火山口形成的。
- crater rim
- 火山口边缘
- We hiked along the crater rim to see the sunrise.我们沿着火山口边缘徒步去看日出。
- lunar crater
- 月球环形山
- Tycho is a prominent lunar crater.第谷是一座显著的月球环形山。
Idioms & figurative uses
Learner notes
Memory Tip
crater 里藏着 rat（老鼠），想象老鼠掉进火山口那个碗状大坑里，由此记住 crater 就是火山口/大坑。
Context & Register
语域：neutral 常见场景：geology texts、news reports、travel guides 表示“火山口”时，crater 通常用于地理或地质相关描述，也常见于新闻报道和旅行介绍。该词属于中性的通用表达，正式与非正式语境都可以使用。
Pronunciation & Spelling
later、greater、cater、waiter、traitor 都与 crater 押韵，结尾均为 /eɪtər/；其中 later、greater、cater 还共享拼写片段 -ater。matter 拼写看似相近，但读 /ˈmætər/，元音是 /æ/，不押韵。
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.