plumb (EN)

动词，副词，名词

动词 “plumb”

1. 测量水深
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   Before diving into the lake, she plumbed it to ensure it was safe.
2. 深入探究
   To truly understand his character, the author spent months plumbing his protagonist's past.
3. 接通水管和下水道
   Before moving in, we had to plumb the new sink to ensure it had running water and proper drainage.

副词 “plumb”

1. 完全地（用于形容程度）
   She fell plumb into the pool with a loud splash.

名词 “plumb”

1. 铅锤（用于确定垂直线）
   To ensure the wall was perfectly vertical, the construction worker hung a plumb from the top edge.