Pulley-block
[医]滑轮组，滑车组，手拉吊挂
📖 牛津释义
pulley-block
wooden block in which a pulley(1) is fixed 装有滑轮的木架.
🧩 词语组成解析
pulley
['pʊli]
n. 滑轮（组），滑车;皮带轮;
v. 用滑轮升起，用滑车推动;给…装滑车;
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
🗣️ 情景例句
Without that, it's hard.
没有就难办了。
To examine the problem
检讨问题
No one can plead ignorance of a subject any longer, for these are countless do-it-yourself publications.
由于出版了不计其数的教人自己动手做事的书报杂志，没有人再能说对某事一无所知。