Double helix
[化] 双螺旋
🧩 词语组成解析
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
n. 螺旋, 螺旋状物, 耳轮\\n[化] 螺旋
🗣️ 情景例句
Lots of special country things.
有许多特别的乡村趣事。
Why aren't you happy?
为什么无聊呢？
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。