Alternating double bond
[化] 更迭双键
🧩 词语组成解析
a. 交互的\\n[医] 交替的
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
Much still remains to be done.
还有很多事要做。
If she could help you, she would help you.
如果她能帮你的话，她会帮你的。
but children were then too cowed to let them know how they really felt.
孩子们只不过被吓得不敢让父母知道自己的想法罢了。