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
I have a ticket, I know.
我知道我有车票。
We can't write very well.
我们不能写那么多。
I'm tired, said my younger brother as he climbed up to join me.
“我累了，”我弟弟边说边爬上岩石和我汇合。