Nontransparency
不透光性能
🗣️ 情景例句
Five five five...one seven two oh. Hello? 555-1720
喂 喂?
It doesn't work.
坏了；不动了。
I'm planning to start a school, so I'm trying to save as much money as possible.
我计划开办一所学校，因此我在设法尽可能地多攒钱。