That's why this medicine dropper is specially designed to always deliver a correct dose.

这就是为什么这种药滴管是专门设计的始终提供一个正确的剂量。

youdao

That's why this medicine dropper is specially designed to always deliver a correct dose.

这就是为什么这种药滴管是专门设计的始终提供一个正确的剂量。

youdao