Ghrelin
n. 胃内产生的一种肽，它能够调节食欲、进食和身体构成。; 饥饿激素; [医]生长素是从胃中分离出的一种新的能促进垂体生长激素分泌的肽
🗣️ 情景例句
First, we need to more public relations activities to promote understanding.
首先，我们应该更多地做公关活动以促进了解。
His foot is wounded, Does it hurt?
他的脚受伤了，疼不疼？
Only when he saw that the man was actually telephoning the police did he realize that they had all been the victims of a hoax.
当他看到那个工人真的是给警察挂电话，才恍然大悟，原来他们都成一场骗局的受害者。