Elastase
n. [生化]弹性蛋白酶,胰肽酶E
🗣️ 情景例句
but when I received the letter
但是当我收到那封信
The first step is the only difficulty.
万事起头难。
Goats are also kept. Apart from their milk, the wool from their coats is used in expensive clothing.
除了获取羊奶之外，从羊皮上剪下的羊毛还用来制作昂贵的服装。