n. 锁;水闸,船闸;(机器部件等的)锁定;一把,一撮;
vt. 锁上;锁好,关好;使固定;隐藏;
vi. 卡住,不动;纠结;僵硬不动;
🗣️ 情景例句
You should perform what you promised to do.
你应该履行诺言。
Hold on.
等一会儿。
and these will ply the short wings with such irresistible power that they can bore for long distances through an opposing gale before exhaustion follows.