第1个回答 2008-09-09
although:虽然, 尽管
仅用作连词,连接句子,构成让步状语从句
Although they are poor they are happy.
虽然他们很穷,但很快乐。
Although it was so cold, he went out without an overcoat.
天气虽然很冷, 他没有穿大衣就出去了。
as long as:只要, 在...的时候,既然
用作连词
I will cooperate as long as I am notified on time.
只要及时告诉我,我就会合作
As long as you've offered, I accept.
既然你已给我,我就接受
while:
用作连词:当...的时候, 虽然,然而,而,而且
While he was eating, I asked him to lend me $2.
当他正在吃饭时,我请他借给我二英镑。
While I understand what you say, I can't agree with you.
虽然我理解你的意思,但我还是不同意。
The soles are leather, while the uppers are canvas.
鞋跟是皮的,而鞋面是帆布的,
while还可用作名词:一会儿, 时间
The project wasn't worth my while.
这项方案不值得我花工夫
Wait a while.
等一会儿。