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
Are you through with your work?
你工作做完了吗？
I have no idea what they're going to say, so I'll have to play it by ear.
我一点不知道他们将会说些什么，所以我只好见机行事。
That's ridiculous.
那太荒唐了。