Ractinomycin
近放线菌素
🗣️ 情景例句
A large number of American radio stations operate in the red.
许多美国电台亏损经营。
Beggars must be no choosers.
饥不择食。
In Miss Gao's class there are forty-six students.
在高老师的班上有四十六个学生。