Fluorosensor
氟传感器
🗣️ 情景例句
And speaking of minutes,
谈到时间，
I met her at the department store.
我在百货公司遇到她。
I went on walking, bending down because the roof of the cave was not very high.
因为洞顶不是很高，我继续弯着腰往前走。