Differential pulley block
[機] 差動滑車
?? 詞語組成解析
differential
['d?f?'r?n??l]
adj. 差別的;特意的;[數]微分的;[機，物]差動的;
n. [數]微分;差別;工資級差;[機]差動器;
di, dif, divid 表示”分開”;”取消”,”否定”;”不同”
pulley
['p?li]
n. 滑輪（組），滑車;皮帶輪;
v. 用滑輪升起，用滑車推動;給…裝滑車;
block
[blɑk]
n. 塊;街區;<英>大樓，大廈;障礙物，阻礙;
vt. 阻止;阻塞;限制;
??? 情景例句
Don't worry. You'll get used to it in no time.
別擔心，你會很快習慣的。
Yawning neighbor
伸著懶腰的鄰居
It has 102 storeys and 73 lifts.
有102層樓，有電梯73部。