Prochymosin
前凝乳酶, 凝乳酶原
??? 情景例句
I planned to take a few months off.
我計劃休息幾個月。
Tom's been feeling blue ever since his divorce.
自離婚以來，湯姆一直很憂郁。
It's often cold in December, January and February.It snows sometimes.
12月、1月和2月常常很冷，有時還下雪。