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O 开头的英语单词（共 89,563 个）
obstructing justice
[法] 妨碍司法执法
obstructing mail
[法] 妨碍邮政罪
obstructing process
[法] 妨碍诉讼程序, 阻止发生传票
obstructing the field
[网络] 阻碍防守；阻守出局
obstruction at ureteropelvic junction
输尿管肾盂连接处梗阻
obstruction ballon
[航] 阻塞气球
obstruction beacon
障碍物信标
obstruction buoy
障碍物浮标,沉船浮筒
obstruction cocycle
障碍闭上链
obstruction fading
障碍衰退
obstruction gauge limit
障碍物限界
obstruction guard
(铁路机车的)护栏
obstruction lamp
[航 水运] 障碍物标志灯
obstruction ligh
航空障碍灯
obstruction lights
障碍光信号
obstruction marker
障碍标志板,障碍标志器
obstruction menses
[医] 经血滞留
obstruction of duodenum
十二指肠梗阻