副词 ad.
1.(指方式、方法)怎样,怎么
How did you climb to the top of that building?
你是如何爬上楼顶的?
2.(指健康等情况)怎样
How is Mrs.Smith?
史密斯太太身体好吗?
3.(指数量、程度)多少
How many students are there in your class?
你班里有多少学生?
4.(表感叹)多么
How I wish to have a long vacation these days!
这些天我多么希望去度一次长假啊!
5.(通常于can连用)(表理由)为何
How can you do such a thing to her?
你怎么能对她做出这种事来?
连接词 conj.
1.(用于间接陈述中,意义和作用与that相仿)
This is how we became acquainted.
我们就是这样认识的.
2.【口】=however
名词 n.
1.方法,做法[the S]
The book tells you about the how and the why of flight.
这本书告诉你飞行的方法和原理.
