Phosphocholine
膽堿磷酸
??? 情景例句
I'd like you to meet Audrey and her mother, Mrs. Cooper.
我來向你介紹， Audrey和她母親 Cooper太太。
Improve your time and your time will improve you.
珍惜時間，時間才會珍惜你。
Those planning a trip to remote areas, or intending to live in countries where drinking water is not readily available, should know about the various possible methods for making water safe.
那些計劃去偏遠地區旅行，或在飲用水不現成的國家居住的人，應該知道如何使水適于飲用的各種辦法。