Photoelectric detector
[电] 光感测器
🧩 词语组成解析
🗣️ 情景例句
You've got a point there.
你的话很有道理。
A plant may produce new flowers; man is young but once.
花有重开日，人无再少年。
Go along this street, and take the second turing on the right.
沿这条街往前走，在第2路口向右拐。