Wdm
abbr. 波分多路复用（Wavelength Division Multiplex）
🗣️ 情景例句
I get your point, but there are other things we have to consider.
我明白你的意思，可是我们还需要考虑其它一些事情。
Which one do you want to buy?
你买哪一个？
What a lot of invitations to send out!
要寄出的请贴真多呀！