pulley-block

wooden block in which a pulley(1) is fixed 装有滑轮的木架.

pull down, pull in, pull into, pull into sth; pull in (to sth), pull off, pull off (sth), pull on, pull out, pull out of the fire, pull sb down, pull sb in, pull through, pull to pieces, pull together, pull up, pull-in, pull-out, pull-up (Brit) (US `pull-off), pullet, pulley, Pullman, pullover, pulmonary, pulp, pulpit, pulpy, pulsar, pulsate, pulsation, pulse, pulverization, pulverisation, pulverize, pulverize, pulverise, puma, pumice, pummel (also pommel), pummelling, pump, pump-room, pumpernickel,