Seroprevalence
[医]血清阳性率
🗣️ 情景例句
A son and his wife and their three children--my grandchildren.
有个儿子， 还有儿媳妇以及他们的三个孩子，我的孙儿女们。
I was little ill at ease.
我有点不自在。
I opened the cupboard door and then stood in front of it petrified.
我打开柜门，站在柜门前一下惊呆了。