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会员注册今日单词：
| 单词 | astrobleme |
| 中文释义 |
陨星坑（名词，地质学） |
| 英文释义 |
(noun, GEOLOGY) A crater or similar geological feature on the surface of the earth resulting from the impact of an ancient meteorite. |
| 例句 |
EXAMPLE: Nearly 300 kilometers in diameter, the Vredefort Crater in South Africa is the world's largest known astrobleme. 位于南非的弗里德堡火山口直径将近300公里，是世界上已知最大的陨星坑。 |
今日短语：
| 短语 | blind as a bat |
| 中文释义 |
睁眼瞎（成语） |
| 英文释义 |
(IDIOM) Completely blind; unable to move safely. |
| 例句 |
EXAMPLE: Without my glasses, I am blind as a bat, so I have two pairs in case I lose one of them. 不戴眼镜，我就成了睁眼瞎，所以我有两副眼镜，以防其中之一丢失。 |