Desernil
马来酸二甲麦角新碱
🗣️ 情景例句
Now, we always use different packing for different goods.
我们一向是不同的货物用不同的包装。
I'll get this bag for you.
我来替你拿这个包吧。
This question is too complicated for me.
这个问题对我说来太复杂了。