plumbed
adj. [测]铅垂的
v. 用铅锤测量;达到……的最低点;探究(plumb 的过去分词)
例句
Relations between the two countries have plumbed new depths.
这两国关系已降至最低点。
《柯林斯英汉双解大词典》
The team's poor performances plumbed new depths last night when they lost 10-2.
昨晚这个队的糟糕表现达到了新低纪录,以2:10输掉了。
《牛津词典》
The bathyscaphe has plumbed the depth of the Indian Ocean.
深海潜水器探测印度洋的深度。