Dipivaloylmethane(dpvm)
[化] 二叔戊酰甲烷; 二甲烷; 二三甲基乙酰基甲烷
??? 情景例句
Thank you for a most enjoyable evening.
謝謝你舉辦這樣一個極其快樂的晚會。
I'm swimming at the lake.
我在湖邊游泳。
This time it was the postman and he wanted me to sign for a registered letter!
這次是郵遞員，他要我簽收一封掛號信！