Seroconversions
(seroconversion 的复数) n.[生][医]血清转化
🗣️ 情景例句
I want to welcome Harry and his daughter Michelle
我想对Harry和他女儿Michelle
Who spoke a while ago?
刚才谁在讲话？
We continually wage war on them, for they contaminate our food, carry diseases, or devour our crops.
人类不断同昆虫斗争，因为昆虫弄脏我们的食物，传播疾病，吞噬庄稼。