Carnine
肌苷, 次黄嘌呤核苷
🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
The proud man felt humbled by Karl's kindness.
那个傲慢的男人为卡尔的和蔼亲切而自惭形愧。
I'll be right there.
我马上就到。