stop to do sth. 意为“停下来去做另一件事”,stop doing sth.意为“停止正在做的事”例如: You’re too tired. You’d better stop to have a rest. 你们太累了,最好停下来休息一会儿。 The teacher is coming. Let’s stop talking. 老师来了,咱们别说话了。 39. Th...