Pcss
n. 光电导半导体开关
🗣️ 情景例句
We hope so! It's always good to work with you, Tom.
希望如此！汤姆，和你们合作总是很愉快。
When he plays football, he wears a uniform.
他踢足球的时候，也会穿着制服。
He made the first telephone.
他发明了第一部电话。