大家都知道,when,while同为连词,都有“当……时候”的意思,但很多同学都搞不清楚它们在用法上的不同。笔者精心总结了它们的区别,希望能对同学们有所帮助。 Everyone knows that when and while are simultaneous words, they all have the meaning of “when...”, but many students are confused about their differences in usage. The author carefully sums up the differences between them and hopes to help the students.