Comburimeter
燃烧计
🗣️ 情景例句
Our family has decided that we will definitely be traveling to Japan these Christmas holidays.
我们家里人明确定下了在这个圣诞节去日本旅游。
To step on
踩到
I'm sorry I don't know. You'd better ask that policeman over there.
对不起，我不知道。你最好问问那边的警察。