Explosimeter
n. 爆炸性气体浓度测验仪器
🗣️ 情景例句
She sure keeps busy.
她真的是忙个不停。
I don't think it's four o'clock yet.
我认为现在还不到四点。
At the moment, they cover every inch of floor space and I actually have to walk on them to get in or out of the room.
这会儿，书把地板的每一点空隙都占据了，我实际上是踩着这些书进出房间的。