Felinine
猫尿氨酸, S-[3 -羟基-1, 1-二甲(基)丙基]半胱氨酸
🗣️ 情景例句
I'd rather walk than take a taxi.
我宁愿走路去，也不愿坐的士去。
Do you have change for a twenty-dollar bill?
你付了一张20美元帐单了吗？
He has never borrowed money from me.
他从未向我借过钱。