Poval
波瓦尔(聚乙烯醇的商品名)
🗣️ 情景例句
I know about how business is done here.
我认为这方面比较在行。
It's incredible.
令人难以置信。
Most countries use these satellites to send and receive messages.
大多数国家利用这些卫星发送和接收消息。