Nivemycin
新霉素
🗣️ 情景例句
He had a great capacity for learning.
他的学习能力很强。
This is a story.
这是一个故事。
After taking off, we were flying low over the city and slowly gaining height,
起飞之后，我们在城市上空低低地飞行，然后慢慢爬高。