Presymptomatic
[医] 症状发生前的
🗣️ 情景例句
Hail to the conquering heroes,
向进取的英雄们致敬，
Much water runs by the mill that the miller knows not of.
当前发生诸种事，大多为人所不知。
What kind of quality control do you have?
你们用什么办法来控制质量呢？