Ldr
abbr. 光敏电阻（light dependent resistor）
🗣️ 情景例句
Mrs. Martinelli.
Martinelli太太。
Forgive and forget.
不念旧恶。
The bridge is so long that the shape of the earth had to be taken into account by its designer.
由于桥身太长，设计者不得不考虑了地表的形状。