Olefinic bond
[化] 烯键
🧩 词语组成解析
烯族的
🗣️ 情景例句
Let's go into the kitchen,
我们到厨房去，
A near friend is better than a far-dwelling kinsman.
远亲不如近邻。
The editor at once sent the journalist a fax instructing him find out the exact number of steps and the height of the wall.
”编辑立即给那位记者发去传真，要求他核实一下台阶的确切数字和围墙的高度。