Leptohormone
韧皮激素
🗣️ 情景例句
All I do is study and take exams.
我要接受所有的学习和考试。
Good evening, how are you?
晚安，你好吗？
I'm sorry, sir.I can't change a ten-pound note.
对不起，我找不开10英镑的钞票。