[lòu dòng]
（空隙； 小孔） leak
patch a leak
補漏洞
a leak in the roof
房頂上的漏洞
All the little leaks were shut off.
所有的小漏洞都堵死了。
Water poured in through a leak in the ship's hull.
水從船體上的漏洞中涌進來。
stop up all loopholes
堵塞漏洞
He was consistent in what he said, and there was no loophole.
他說話嚴密， 沒有漏洞。