Black alum
[机] 黑矾
🧩 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. 明矾, 矾, 校友\\n[化] 明矾; 钾铝明矾
🗣️ 情景例句
You've earned it.
这是你应得的报偿。
Please sit down and have a glass of juice.
请坐下来喝一杯果汁。
I left at 6:00 so that I could catch the train.
我六点钟出门，以便赶上火车。