1、 Although he was ill， he worked hard、他虽然生病，但仍努力工作。
2、 I did not know that then， although I learned it later、当时我不知道那件事，但我后来知道了。
3、 Although they are poor they are happy、虽然他们很穷，但很快乐。
4、 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。
5、 although的近义词
6、 although在线翻译
7、