Wdm
abbr. 波分多路复用（Wavelength Division Multiplex）
🗣️ 情景例句
See you there.
咱们宴会上见。
I'm washing my hair in the bathroom.
我在浴室洗头。
It seems she was in class on Friday afternoon, but no one has seen her since.
好象她星期五还在教室，但从那以后没人看见过她。