Cinchona bases
[机] 金鸡纳碱
🧩 词语组成解析
n. 金鸡纳树, 金鸡纳树皮\\n[医] 金鸡纳[树]皮
pl. 基础, 军事基地, 主要成分, 根据\\n[医] 基底, 底
🗣️ 情景例句
I've been studying all day, and I'm sick and tired of it.
我学了一天，现在感到厌倦。
Through thick and thin, they have always been my precious team mates, advisers, and above all, friends.
我们同甘共苦，亲如伙伴，他们是我的军师，更是我的朋友。
After we had landed, the plane was searched thoroughly.
我们降落之后，飞机被彻底搜查了一遍。