Renninogen
[医] 凝乳酶原, 前凝乳酶
🗣️ 情景例句
I've never been to the aquarium
我从来没有去过水族馆
That which was bitter to endure may be sweet to remember.
苦楚往日难忍受，记起也许甜心头。
Then she had an idea.
后来她有了一个主意。