Dihydro f penicillin
[医] 二氢青霉素F
🧩 词语组成解析
penicillin
[,pɛnɪ'sɪlɪn]
n. 青霉素，盘尼西林;
🗣️ 情景例句
The truth is, I am.
事实上， 我的确如此。
I wish you would write more clearly.
我希望你能写得明白些。
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。