Leptin
n. 瘦蛋白
🗣️ 情景例句
Good morning. Would you please bring me some breakfast?
早上好，可否为我送点早餐？
She passed her competitive examination not without difficulty.
她好不容易才通过了答辩考试。
For a time it assumes a miraculous individuality that,
一度它获得非凡的个性，