Prezynogen
[化] 母酶原
🗣️ 情景例句
Many business people turn off their pagers and cell phones during their leisure time.
许多商人在他们的休息时间里都把传呼机和移动电话关掉。
I'd appreciate it if you would turn out the lights.I'm sleepy.
如果你关灯我将感激你的.我困了。
the writer comes to discern things in his material which were not consciously in his mind when he began.
会领悟到素材中很多东西是他刚动笔时所未意识到的。