Chemosensor
化学传感器
🗣️ 情景例句
and the problem is that it's set up primarily for kids to play.
而问题是它主要是让孩子们去玩的。
A friend in need is a friend indeed.
患难朋友才是真朋友。
It spread through France,
结果在整个法国蔓延开来。