Alkenes
(alkene 的复数) n.[化]烯烃,链烯
🗣️ 情景例句
She wants to know
她想知道
I've studied the reports of past meetings.
我学习了以往的会议记录。
Harrison had thought of everything except the weather.
哈里森把每件事情都考虑到了，唯独没想到天气。