Quadric crank chain
[机] 四节曲
🧩 词语组成解析
a. 二次的\\nn. 二次曲面
crank
[kræŋk]
n. [机]曲柄;妙语，奇想;〈美俚〉想法古怪的人;〈口〉脾气乖戾的人;
vt. 转动曲柄移动;使弯曲;给…装上用于转动的曲柄;转动曲柄开动（引擎）;
adj. 奇异的，古怪的;易怒的;
chain
[tʃen]
n. 链子，链条;连锁，连续;拘束;连锁店或旅馆系列的事物;
vt. 用铁链锁住;监禁，束缚;
🗣️ 情景例句
I had a wonderful being with you.
和你们在一起，我度过了美好的时光。
It is good to have friends in trouble.
在患难时得到朋友是幸运的。
A few days later about 140 black people were taken and put on a tall sailing ship waiting off the coast.
几天以后，大约140名黑人被带到一艘停靠在海岸边的大帆船上。