Nivemycin
新霉素
🗣️ 情景例句
He married a classmate from high school.
他与高中时代的同班同学结婚。
Hear all parties.
兼听则明。
Between 1850 and 1910 the bison population is thought to have fallen from 60 million to just a few hundred.
人们认为，在1850年到1910年之间，野牛的头数从6，000万头降到只有几百头了。