Pails are hanging on the mouth of a well.
两个水桶一同被吊在井口上。
Marine risers are the main connecter between a platform and the mouth of a well in the seabed.
海洋立管是海洋平台与海底井口间的主要连接件。
The houses were underground structures with an aperture like the mouth of a well by which to enter, but they were broad and spacious below.
这些房屋被地下结构的光圈一样口以及其中进入，但他们广泛和宽敞如下。
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