Prezynogen
[化] 母酶原
🗣️ 情景例句
Where does it go?
放在哪儿？
Some people never learn.
有些人就是学不乖。
It's always hot in June, July and August.The sun shines every day.
6月、7月和8月的天气总是炎热的，每天都出太阳。