Semi-cyclic double bond
[化] 半环双键
🧩 词语组成解析
semi
['semi]
n. 半独立式住宅;半挂车;
cyclic
['saiklik]
adj. 周期的，循环的;轮转的;
double
['dʌbl]
adj. 双的;两倍的;两面派的;双人用的;
vt. 使加倍;把…对折;重复;
vi. 加倍，加倍努力;快步走;
adv. 两倍地;双重地;
n. 两倍;双精度型;
doub二，双+le反复 → 反复两倍 → 翻倍
🗣️ 情景例句
Can I drive you home?
我开车送你回去好吗？
He who does not advance falls backward.
不进则退。
I joined in the march and we were marching peacefully along and then the police came up.
我参加了游行，我们以和平的方式往前行进，这时警察突然来了。