Innocuous substance
[化] 无害物质
🧩 词语组成解析
🗣️ 情景例句
study for my math final.
温习数学 准备期末考试。
Attitudes towards drinking and smoking in the U.S. are, in some ways, very different from those in Asia.
在对烟酒所采取的态度上，美国和亚洲在某些方面是非常不一样的。
It is used by travellers and business people all over the world.
在世界各地的旅行者及商人都用英语。