on the watch和on watch分别是什么意思?

问题描述:

on the watch和on watch分别是什么意思?

on the watch提防的,守候,的守望的The man on the watch cried out: Dangers ahead!守望的人突然大喊:前面有危险!on watch值班;监视The guards are still on watch at midnight.看守在深夜仍在站岗....