Fds
[医][=fibronectin-depleted serum]纤维连结蛋白缺乏血清
🗣️ 情景例句
Study hard and study everyday, if you want to master the English language.
如果你想精通英语的话，就得每天刻苦学习。
Little pigeons can carry great messages.
少年也可以成大事。
Jackie and Yang Pei meet the next day.
杰基和杨培第二天见面。