Phosphocholine
胆碱磷酸
🗣️ 情景例句
History repeats itself.
历史往往会重演。
How much do you know about the works of Henry Wadsworth Longfellow?
你对亨利·朗费罗的工作知道多少？
I would like to ask you a favor.
我可以提出一个要求吗？