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
Excuse me, Susan.
对不起 ，Susan。
No, I can't go to bed till she says Good night to me.
不，除非她向我道晚安，不然我睡不着。
The negotiations on the rights and obligations of the parties under contract turned out to be very successful.
就合同保方的权利和义务方面的谈判非常成功。