覆盖层

overburden layer的用法和样例：

例句

A thick, overlying layer of seafloor rock and sediment would also serve as an additional natural seal to prevent escape.由海底岩石和沉淀物组成的稠密覆盖层同样会作为一道额外的天然封条防止泄漏。

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发表于:2018-12-04 / 阅读(103) / 评论(0)

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突破英文词汇

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发表于:2019-01-19 / 阅读(70) / 评论(0)

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发表于:2019-01-27 / 阅读(71) / 评论(0)

PBS访谈环境系列

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发表于:2019-02-04 / 阅读(188) / 评论(0)

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发表于:2019-02-21 / 阅读(45) / 评论(0)

英语口语

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发表于:2019-02-25 / 阅读(62) / 评论(0)

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学英语单词

Abercrombie R.

academic atmosphere

acanthus longifolius poir.

advance pulse

and the horse you rode in on

andrachne

arrowre

assembler source file

auditory hyperesthesias

axillary sclerate

basocytosis