Egf
abbr. 上表皮生长因素（Epidermal Growth Factor）
🗣️ 情景例句
I've been having a hard time keeping my eyes open
我一直挣扎着要让双眼睁开
Did you phone him yourself?
你自己亲自打电话给他吗？
The train was late but nobody knew the reason for the delay.
火车晚点了，但没人知道为什么。