blue line 是什么意思

	1.	The mirages had died away and gloomily he ran his eyes along the taut blue line of the horizon . 各种蜃景都已消失了，他郁闷地用眼睛扫着笔直的、蓝蓝的海平线。
	2.	The teams line up on their respective blue lines 两个队伍分别站在他们的蓝线上
	3.	That puck goes across the blue line , you drive to the net 球穿过蓝线,你就射门
	4.	The white plate is banded with a blue line round the edge 白盘子加了一圈蓝边。
	5.	The teams line up on their respective blue lines 两个队伍分别站在他们的蓝线上
	6.	Schneider flying up the wing , over the blue line , Schneider飞速插上穿过了蓝线
	7.	Through the middle . crossing the soviet blue line 穿过中场越过了苏联队的蓝线
	8.	On this map blue lines designate main rivers 在这张地图上蓝线指明了主要的河流。
	9.	Across the u . s . blue line . - take it back , boys 越过了美国队的蓝线回防，孩子们！
	10.	- across the u . s . blue line . - take it back , boys 越过了美国队的蓝线回防，孩子们！

blue line是什么意思