barrier的例句

barrier 的相关例句:

41.	passport barrier
	出国限制
42.	a racial barrier
	种族隔阂
43.	sound barrier
	音障，声障
44.	trade barrier
	贸易壁垒
45.	a barrier between races
	种族隔阂
46.	a barrier to progress [development, success]
	进步［发展﹑成功］的障碍
47.	a barrier reef
	堡礁
48.	get over the barrier
	越过[克服]障碍
49.	a barrier to progress
	进步的障碍