副词
及物动词
1. 探索；探究
If you plumb something mysterious or difficult to understand, you succeed in understanding it.
2. 恰恰；正好
If something is plumb in a particular place, it is exactly in that place.
3. 为（建筑物）敷设水管
When someone plumbs a building, they put in all the pipes for carrying water.
4. 完全地；不折不扣地
Plumb is used to give emphasis to an adjective or verb that describes a feeling or condition.
5. 经受极度的…；表现出极端的…
If someone plumbs the depths of an unpleasant emotion or quality, they experience it or show it to an extreme degree.
6. 糟糕到新低点；降至最低点
If you say that something plumbs new depths, you mean that it is worse than all the things of its kind that have existed before, even though some of them have been very bad.
相关词组：plumb in