Secoisolarciresinol
開環異落葉松樹脂酚
??? 情景例句
Always remember to wash your hands before eating.
用餐前謹記要洗手。
They used to live there, didn't they?
他們過去住在哪里，不是嗎？
The clouds had come down so suddenly we had no warning.
烏云突然出現，我們絲毫沒有覺察。