1. It depends on how full the class is and how many additional students the professor is willing to let in. 这取决于课堂有多满,以及教授愿意让多少额外的学生加入。
2. As a preventative measure, we are told to let in fresh air by opening the windows and not to use the air conditioners. 作为一项预防措施,我们被告知要打开窗户让新鲜空气进来,而不要使用空调。
3. The ruling party is likely to be opened up to let in people hitherto excluded. 执政党可能会放开政策,吸纳迄今被排斥在外的人士。
4. Can you see it when I open the shutter to let in the light? 如果我打开百叶窗,让光线进来,你能看见吗?
5. The windows were quickly opened, to let in a little fresh air. 窗户很快打开了,好让一点新鲜空气进入。