Seroresistance
血清不应性, 血清效价不变
🗣️ 情景例句
OK. Do you want to get better?
好，你想把病治好吗？
One has lived too near a wood to be frightened by owls.
深知底蕴，不以为怪。
I'll keep the things on this shelf for you, said the shopkeeper.
“我先把你的东西放在这个货架上，”售货员说。