n.塞子,插头,消防栓,(内燃机的)火花塞
vt.& vi.插上插头
vt.以(塞子)塞住,插入,〈俚〉枪击,殴打
vi.填塞,堵,〈俚〉勤苦工作,用功
A plug had been inserted in the drill hole.
钻孔已塞上了塞子。
Make sure the draining board, sink and plug hole are regularly disinfected.
滴水板、水槽和塞孔一定要定期消毒。
The banks have the power to pull the plug on the project.
银行能让该工程下马。