Thermoinactivation
热灭活法
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
Why are you going back?
你为什么回来？
May I know the quantity you require?
请问你们需要多少数量的货物？