Nonpolluting
a. 不会引起污染的
🗣️ 情景例句
His studies advanced steadily.
他的学业不断进步。
The question revealed the truth.
那个问题揭示了真相。
The aircraft was able to fly over the endless white plains without difficulty.
飞机可以毫无困难地飞过这片茫茫无际的白色原野！