Variola inserta
[医] 接种后天花
🧩 词语组成解析
n. 天花\\n[医] 天花, 痘疮
🗣️ 情景例句
You know, when I was your age,
要知道 ，当我像你这么大的时候，
I don't seem to have any luck today.
我今天运气不好。
Then knowledge began to be accumulated according to a systematic plan.
于是，知识便开始有系统有计划地积累起来。