Ketosubstrate
酮基底物
🗣️ 情景例句
You'll do great. break a leg!
你会干得很棒的，祝你好运！
Nothing is more precious than time.
世上最宝贵的莫过于光阴。
Betty and Susan are talking on the telephone.
贝蒂和苏珊正在通电话。