howfn.住所；寓所；经常去的地方v.居住; 经常访问howadv.怎样；多么；如何conj.如何；怎样；以 ... 方式n.方式how the world goes情况怎样How perilous it is危乎其危How is he now?空心立柱How would it be if(+主语+动词过去式)：用此结构来提建议How far is it?中空纤维How to vote for me投票地址How bad is it?空心粉末How's crown pliers空刀槽How about gas?空心活塞How come ...是怎么回事，怎么会呢