Seroconversions
(seroconversion 的复数) n.[生][医]血清转化
🗣️ 情景例句
No, we have the Spring Festival's celebrations with feasts and fireworks.
不，我们以宴会和焰火庆祝春节。
If y ou lose your job I'll lose mine, so we're in the same boat.
如果你失去工作，我也会失去的，所以我们处境相同。
This is a bus stop. The people are waiting for a bus. They are stand in line.
这是一个公共汽车站。人们在等车。他们站成行。