Double helical spur gear
[化] 人字齿轮
🧩 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. 螺旋状的\\n[电] 螺线
spur
[spɝ]
n. 马刺;激励因素;支柱;（公路或铁路的）支线;
vt. 策（马）前进;（尤指用马刺）策（马）加速;鞭策;
vi. 策马飞奔;急速前进;
gear
[ɡɪr]
n. 齿轮;排挡;传动装置;衣服 ;
vi. 接上;调和;
vt. 使适应;装上齿轮;用齿轮连接;
🗣️ 情景例句
I'd want to stay home and be near him all the time, too.
我也要整天都在他身边。
A horse is neither better nor worse for his trappings.
相马不可凭马的装饰。
Fortunately we found some that was still dry and carried it back to the cave.
幸好，我们找到了一些干木柴，并把木柴抱回岩洞。