Tryptic
[生化]胰蛋白酶的
🗣️ 情景例句
and some brushes and some paint.
刷子和油漆。
Judy is so reserved that it is hard to understand her.
朱迪非常内向而木讷，因而很难使人了解她。
Do you usually buy in large quantities?
你们的订购量通常都很大吗？