Ptyalin
n. 唾液淀粉酶\\n[化] 唾液淀粉酶
🗣️ 情景例句
Do you think they're open?
你们说现在还开门吗？
From 4 to 4:30.
四点到四点半。
so you're telling me that the situation here is bad for black people.
那么，你是说这里的情况对黑人来说是很糟了。