| 单词 | crater |
| 释义 | Word Frequency crater(ˈkreɪtə) noun 1. the bowl-shaped opening at the top or side of a volcano or top of a geyser through which lava and gases are emitted 2. a similarly shaped depression formed by the impact of a meteorite or exploding bomb 3. any of the circular or polygonal walled formations covering the surface of the moon and some other planets, formed probably either by volcanic action or by the impact of meteorites. They can have a diameter of up to 240 kilometres (150 miles) and a depth of 8900 metres (29 000 feet) 4. a pit in an otherwise smooth surface 5. a large open bowl with two handles, used for mixing wines, esp in ancient Greece verb 6. to make or form craters in (a surface, such as the ground) 7. slang to fail; collapse; crash Derived forms cratered (ˈcratered) adjective craterless (ˈcraterless) adjective crater-like (ˈcrater-ˌlike) adjective Word origin C17: from Latin: mixing bowl, crater, from Greek kratēr, from kerannunai to mixWord Frequency Crater(ˈkreɪtə) nounWord forms: Latin genitive Crateris (ˈkreɪtərɪs) a small faint constellation in the S hemisphere lying between Virgo and Hydra |
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