Alaum
(=alum)明矾
🗣️ 情景例句
The wedding dress. And something blue.
结婚礼服。蓝色的东西。
I don't think it's four o'clock yet.
我认为现在还不到四点。
What they had in fact found was a ship which had been sunk many years before.
事实上，他们发现的是另一艘沉没多年的船。