1) or意思为"否则".例如: I must work hard, or I'll fail in the exam. 我要努力学习,否则考试要不及格了。 ... [查看全文]
1) but表示转折,while表示对比。例如: Some people love cats, while others hate them.有些人喜欢猫,而有些人不喜欢。... [查看全文]
such 是形容词,修饰名词或名词词组,so是副词,只能修饰形容词或副词。so 还可与表示数量的形容词many,few,much, little连用,... [查看全文]
1) 并列结构中,or通常用于否定句,and用于肯定句。 2) 但有时and 也可用于否定句。请注意其不同特点: There is no air ... [查看全文]
[特殊词精讲]be interested doing/to do interested to do 对做某事感兴趣,想了解某事,interested in doing 对某种想... [查看全文]
forget to do 忘记要去做某事,forget doing 忘记做过某事。例如: The light in the office is stil on. He forgot... [查看全文]
[特殊词精讲]be afraid doing/to do be afraid to do 不敢,胆怯去做某事,是主观上的原因不去做,意为"怕",be afraid of... [查看全文]
[特殊词精讲]go on doing/to do go on to do 做了一件事后,接着做另一件事,go on doing 继续做原来做的事。例如: A... [查看全文]
[特殊词精讲]remember doing/to do remember to do 记得去做某事,remember doing 记得做过某事。例如: Remember to g... [查看全文]
mean to do 打算、想,mean doing 意味着。例如: I mean to go, but my father would not allow me to. 我想... [查看全文]