Wdm
abbr. 波分多路复用（Wavelength Division Multiplex）
🗣️ 情景例句
but I enjoy taking pictures, and I want to continue doing that.
但我喜欢拍照片 而且我要继续做这一行。
He devoted his life to promoting world peace.
他一生致力于促进世界和平。
Our knowledge of the universe is growing all the time.
我们对宇宙的认识一真在增长。