单词 | 大气窗 |
例句 | DEFINITIVE EXAMPLES 权威例句〔window〕An area at the outer limits of the earth's atmosphere through which a spacecraft must pass in order to return safely.大气窗:地球大气最外层的地区,宇宙飞船必须通过此地才能安全回归地球美国传统 |
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