Lactamine
丙氨酸
🗣️ 情景例句
You do a pretty good job on the Riverdale High School paper.
你在Riverdale高中校刊做得有声有色。
Who do you think you are?
你以为你是谁？
It has 102 storeys and 73 lifts.
有102层楼，有电梯73部。