Aldehyde tanning
[机] 醛鞣
🧩 词语组成解析
aldehyde
['ældihaid]
n. 醛，乙醛;
n. 鞣皮, 制革法, 晒成褐色\\n[化] 制革; 鞣制
🗣️ 情景例句
It was so kind of them.
他们太客气了。
Would you please hold the door open for me?
请您为我打开门？
No. The next development was to carve the characters on a piece of wood.
是的，不象。下一步的发展是将汉字刻在一片木板上。