Qar
[医][=quality assurance reagent]质量保证试剂
🗣️ 情景例句
So we will be needing more room.
所以我们也将需要更大的空间。
I was born in China and brought up in the U.S.A.
我出生在中国，在美国长大。
In this much-travelled world, there are still thousands of places which are inaccessible to tourists.
在这个旅游频繁的世界上，仍有成千上万个游人足迹未至的地方。