Nonpolluting
a. 不会引起污染的
🗣️ 情景例句
As for salary, I leave it to you to decide after experience of my capacity.
至于薪水，还是等检验了我的能力之后由你们再作决定。
The ox is never woe,till he to the harrow go.
挂耙去耕地，牛才知辛苦。
The second marks the arrival of transverse vibrations which travel more slowly and arrive several minutes after the first.
然后记录下的是横向波的到达，横向波比纵向波传播得慢，在纵向波到达几分钟后才能到达。