Ptyalin
n. 唾液淀粉酶\\n[化] 唾液淀粉酶
🗣️ 情景例句
Dad often works late,
爸爸老是工作到很晚，
A man of words and not of deeds is like a garden full of weeds.
一个只说不做人就像一个长满野草的花园。
He owes his wealth to diligence and good luck.
他的财富是由于他的勤劳和幸运。