Olefine
[化] 烯烃; 链烯烃
🗣️ 情景例句
His popularity has soared thanks largely to his TV appearances.
由于经常出现在电视上，他的知名度日趋上升。
Who is the auther of this novel?
谁是这本小说的作者？
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。