block /blɔk/ I. n.［c］ 1.(木，石等的)块，大块：a block of ice 一块(叠)冰The floor was made of wooden blocks. 地板是由木块砌制的。2.街区，街段：To reach the post-office, walk two blocks east and then turn left. 要到邮局去，请向东走两个街区，然后向左转。 3.阻塞，阻塞物：traffic block 交通阻塞There was a block in the pipe and the water couldn’t flow away. 管子内有阻塞物，水不能流走。 ‖II. vt. 阻碍，阻塞；阻止：All roads were blocked by the heavy snowfall.所有的道路都被大雪堵塞了。The ambulance was blocked from moving by cars in the road.救护车在路上让汽车堵死了。 block in 挤在里面：A van had parked behind me and blocked me in. 一辆车子就停在我后面不让我走了。block off 堵住不让进出：All the roads out of town were blocked off by the police.出城的道路都让警察堵住了。block up 阻塞：They blocked (up) the entrance to the cave with big rocks. 他们用巨石将洞口堵塞起来了。
［辨析］见bulk
