Streptobacterin
[医] 链球菌菌苗
🗣️ 情景例句
without cultural programs in our school.
我们的学校里没有文化活动。
We shall never have friends if we expect to find them without fault.
指望朋友无缺点，永远休想交朋友。
With practice, no doubt, I could in time learn to write by holding the pen still while the paper moved.
毫无疑问，经过练习，我最终能够学会笔不动而纸动来写字。