collar head screw 带缘螺钉 ; 头带缘螺钉 ; 有领螺钉
square collar-head set-bolt 方头凸缘端紧定螺栓
collar-head screw [机] 环头螺钉
Squate head bolts with collar 方头凸缘螺栓
Square head with collar 方头 ; 带凸缘的方头
Triangle head with collar 三角头 ; 带凸缘的三角头
N the part of a bridle that fits round a horse's head 马头套 (Also called (esp US) headstall)
Thankfully, her collar was just loose enough that, in that moment of pure terror, she was able to squeeze her head out and run.
值得庆幸的是在恐惧中，她的颈圈并不那么紧以至于她可以挣脱逃跑。
You gave me a good-bye pat on the head, avoided my eyes, and politely refused to take my collar and leash with you. You had a deadline to meet and now I have one, too.
你避开我的目光，最后一次轻轻地拍拍我的头说再见，并礼貌的拒绝带走我得项圈及皮带。
As I stepped closer, Oscar raised his head from where he lay nestled against Mrs. Davis’s leg. The bell on his collar jingled slightly, and his ears perked up; he glanced at me with questioning eyes.
我往前走了几步，奥斯卡刚好抬起头来，它当时正紧靠着戴维斯夫人的大腿躺着，脖子上的铃铛还在轻轻作响。
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