Catechu black
[化] 儿茶黑
🧩 词语组成解析
n. 儿茶\\n[医] 儿茶
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;
🗣️ 情景例句
I had a busy day. I'm done.
我今天很忙，现在精疲力尽。
It's pleasure to meet you.
幸会，幸会。
Who were you playing against?
你们和谁踢？