Wdm
abbr. 波分多路复用（Wavelength Division Multiplex）
🗣️ 情景例句
I'd like to propose a toast.
我想来祝酒。
The road to hell is paved with good intentions.
徒有良好的愿望而不去努力实现，后悔莫及。
Big Ben has rarely gone wrong.
“大本”钟极少出差错。