Black catechu
[医]黑儿茶
🧩 词语组成解析
black
[blæk]
adj. 黑（色）的;黑色人种的;黑暗的;不加牛奶的;
n. 黑色;黑人;黑颜料;黑暗;
v. 使变黑;抵制;拒绝;使变黑暗;
n. 儿茶\\n[医] 儿茶
🗣️ 情景例句
She's the apple of my eye.
她是我的至爱。
No wonder everyone speak highly of your commercial integrity.
难怪大家都极为推崇你们的商业信誉。
with their fellow scientists either in other countries or in universities,
和其他国家、其他大学同行们