c语言中while是什么意思 while是什么意思 while有对比的意思吗( 三 ) _是什么

Although, though ---虽然 although 和though 可以互换，但although 常放在句首。Though可以用于倒装。
Although it was raining, the plane managed to take off.
Though he did his best, he didn’t succeed.
As --- 尽管 as 引导让步状语从句时，句子通常倒装。可与though 互换。
Busy as he is, he never misses a football match.
Even if /even though ---即使
Even if you don’t like your boss, you should do your work.
However --- 不论，however 引导让步状语从句时，句子通常倒装
He couldn’t get there on time however fast he drove.
No matter (what, when, where, how) ---无论（什么，何时，何地，怎样）
He wouldn’t forgive me no matter how hard I begged him.
Whatever --- 不管
Whatever other people may say, she won’t change her mind.
While ---尽管
While I have sympathy for you, I can’t help you.
Whether ---不管，常与or not 连用
Whether he is good or not, the company decided to send him abroad.
8. 方式状语从句
方式状语从句常由: as, as if, as though
as ---与…… 一样
Do in Rome as the Romans do.
as if, as though --- 仿佛, 由as if或 as though引导的从句中可用虚拟语气
【c语言中while是什么意思 while是什么意思 while有对比的意思吗】She stood at the door as if (=as though) she were waiting for someone.