及物动词 vt.
1.延长,延伸;扩大,扩展
Can't you extend your visit for a few days?
你们访问的时间不能延长几天吗?
2.伸,伸出
He extended his hand in greeting.
他伸出手来表示欢迎.
3.致;给予,提供[(+to)]
I would like to extend a warm welcome to our visitors.
我想对我们的来访者表示热烈的欢迎.
4.使竭尽全力[H]
不及物动词 vi.
1.伸展;扩大;延续
The tourist season extends from May