六级词汇新记 第87期：barricade yourself in躲在……
barricade
n.路障、街垒
The police stormed the barricades the demonstratorshad put up.
警察冲破了示威者筑起的街垒。
v.设路障防护、阻挡
They barricaded all the doors and windows.
他们用障碍物阻挡住了所有的门窗。
barricade yourself in/inside sth
躲在……里
He had barricaded himself in his room.
他把自己关在房间里。
barrier 障碍物、关税
trade barrier 贸易壁垒
