Leptin
n. 瘦蛋白
🗣️ 情景例句
He did not win, but at least he made the effort.
他虽然没有获胜，但至少已经尽了努力。
I played outside this morning.
我今早在外面玩。
I hate them.I'm sure I've got a low mark.
我讨厌法语。我的法语成绩肯定很低。