Serinol
[化] 丝氨醇
🗣️ 情景例句
What year were you born in?
你是哪一年生的？
I worked at the store yesterday.
我昨天在商店工作。
Mr Hu stood at the starting line. All the runners got ready to run.
胡先生站在起跑线上。所有的运动员都做好了起跑准备。