Biotreatment
生物处理
🗣️ 情景例句
You got that part right.
你们这一部份猜对了。
We must have your LC at least one month before the time of shipment.
我们必须在船运前一个月收到你们的信用证。
They teach us Chinese and we teach them English. Please write soon!
他们教我们汉语，我们教他们英语。请赶快回信。