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
Oh, yes, George.
还行，乔治。
Which one is more difficult?
哪一个是比较难的？
The temple which the archaeologists explored was used as a place of worship from the fifteenth century B. C. until Roman times.
考古工作者考察的这座庙宇从公元前15世纪直到罗马时代一直是祭祀祈祷的场所。