Ldr
abbr. 光敏电阻（light dependent resistor）
🗣️ 情景例句
Finding out what they want.
得看看他们想要什么。
Punctuality is the soul of business.
严守时间是办事情的重要原则。
Both girls write to each other regularly now.
现在这两位姑娘定期通信了。