Pcss
n. 光电导半导体开关
🗣️ 情景例句
If it ain't broke, don't fix it.
东西还没坏，就别急去修它。
The moon is not seen where the sun shines.
小巫见大巫。
It is a very modern house, so it looks strange to some people.
它是一栋非常现代化的住宅，因此在有些人看来很古怪。