Nonpolluting
a. 不会引起污染的
🗣️ 情景例句
Yes, Miss Susan, we have you down for a deluxe room tonight.
您好，苏珊小姐，我们已为您定好了今晚一间豪华房间。
Do you often play bridge on Saturday?
你常常在星期六玩桥牌吗？
Hi,Carl. Have you ordered yet?
嗨，卡尔，你点菜了吗？