Nontransparency
不透光性能
🗣️ 情景例句
You go ahead with the formalities. I'll see to the heavy luggage.
您先去办手续，我来帮您照看大件行李。
He has gone home.
他已经回家去了。
So it is a comparatively simple step from locating the sea bottom to locating a shoal of fish.
从测定海深到测定鱼群，这一进展比较容易。