Nontransparency
不透光性能
🗣️ 情景例句
Do you?
你会吗？
He's concentrating on learning English.
他集中精力学英语。
Bonny, take the next dirt track on the left. That will take us down into the valley.
波尼，沿着左边的下一个土路走。我们将沿路而下进入河谷。