Egf
abbr. 上表皮生长因素（Epidermal Growth Factor）
🗣️ 情景例句
Think about the word and use it, in your mind, in a sentence.
想想这个字，然后去用它，在脑子里，在句子里。
I asked him to do it for me, but he wouldn't.
我请他帮我做，但是他不肯。
Good. Put it on the small table, please.
好，把箱子放在那个小桌子上吧！