| 释义 |
●ˌblock sth ˈoff1. to close a road or another place by placing a barrier across it to stop sb/sth going in or coming out （设立路障等）拦堵，封锁◆The police blocked the street off.
警察封锁了这条街道。◆The pipe had been blocked off to prevent further leaks.
为防止继续渗漏，管道被堵上了。OBJ street, road, area, entrance
SYN close sth off (to sth/sb) 2. (especially NAmE) to reserve a period of time for a particular activity 留出，预留（时间）◆Thursday afternoons are blocked off for sports.
周四下午定为体育活动时间。[v + n/pron + adv] [v + adv + n] |