第1个回答 推荐于2016-06-02
through是从物体的上方通过
by 是从物体的旁边通过
还有cross是从物体的中间通过
through 是通过某种途径
He bought the antique vase through a dealer.
他通过一个商人买到这只古花瓶
He became rich through hard work.
他靠努力工作而致富。
through表示“以;通过;经由”。如:
by 是通过某种方法
1。表示以一般的方法或方式。如:
No one in those days could live by writing poems.
(2)表示传达、传递的方式或煤介。如:
How did you send the letter, by airmail or by ordinary mail?
I came back by bus.
我是乘公共汽车回来的。本回答被提问者采纳