Double-geared
双级齿轮传动
🧩 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
a. 齿轮传动的, 变速螺旋桨
🗣️ 情景例句
Absolutely.
可不是。
Apothecaries would not sugar their pills unless they were bitter.
好药不苦不会加糖衣。
How long has he been like this?
他像这样有多久了？