Tooth factor
[机] 齿轮系数
🧩 词语组成解析
tooth
[tu:θ]
n. 牙;齿;齿状部份;
vt. 给…装齿;
vi. 啮合;
factor
['fæktə]
n. 因素;<数>因子;代理人;
vt. 把…因素包括进去;[数学]分解…的因子，将…分解成因子;以代理商（或管家等）的身份行事，做代理商（或管家）;
vi. 做代理商（或管家）;
🗣️ 情景例句
I haven't had a minute to relax all day.
我今天连一分钟都没休息。
That sounds like the product we had in mind.
那种产品好像就是我们所想要的。
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.
历史学家迄今认为日历是随农业的问世而出现的，因为当时人们面临着了解四季的实际需要，