Seroconversion
n. [生][医]血清转化
🗣️ 情景例句
I'd like to come to the ten o'clock advanced class this morning.
我想今早十点来上你的高级健身班。
Is this OK?
这样行吗？
But most probably it will all depend upon campers themselves:
但最重要的或许是露营者自己，