desk桌子不是可数名词,desk是桌子,而不是椅子; 可以说some desks 一些桌子; some desk 某张桌子; 复数 desks I always leave a clear desk at the end ...
look at the picture; look into ones eyes; look up a word in the dictionary; look down upon sb; look after sb; look for my watch; I look arou...