Sobita
[化] 酒石酸铋钠
🗣️ 情景例句
I have been learning English for three years now.
我学英语有3年了。
You have also made some readjustment in your import and export business, have you?
你们的进出口贸易也有一些调整，对吗？
How much does it cost to go abroad?
出国要多少钱？