Dach
[医][=diamino-cyclohexane]二氨基环己烷
🗣️ 情景例句
I have a picture of Grandpa and Dad and me in my wallet.
我皮夹里有一张照片，是爷爷、爸爸和我在一起照的。
He may get a grant to study abroad next year.
他明年也许会获得留学奖学金。
Your satisfaction is guaranteed.
包你满意。