A.p.f.
[医] 动物蛋白因素
🗣️ 情景例句
When you see something, think of the English word for it.
当你看到一个东西时，就想到它的英文单词。
Progress is the activity of today and the assurance of tomorrow.
进展即今日的活动和明日的保证。
Putting my hand on her face, she spelled l-a-u-g-h.
她将我的手在她的面部，就拼写l-a-u-g-h。