Campholactone
[化] 龙脑内酯
🗣️ 情景例句
It's Carl's birthday,
今天是Carl的生日，
Will our baby be a boy?
我们的小宝宝是男孩吗？
Man-made satellites have been sent up into space by many countries.
许多国家都成功地把人造卫星送入了太空。