Phosphatidalserine
縮醛磷脂酰絲氨酸
??? 情景例句
John proposed marriage to Helen.
絢翰向淪論求婚。
An old dog barks not in vain.
老犬不空吠。
If we could stay as vigorous as we are at twelve,
假如我們能保持12歲時的旺盛生命力，