C'
[医] 醚溶酸系数
🗣️ 情景例句
It's interesting.
很有趣。
Competition for this kind of goods is tough.
这种商品的竞争非常激烈。
He say he'll write a letter soon. He hopes we are all Well.
他说他很快会写信的。他祝我们大家身体好。