pull-off spring 放松弹簧 ; 回位弹簧
old people without off-spring 无子孙的老人
clutch stop pull-off spring 离合器限止回位弹簧
rotary off-normal spring 旋转离位弹簧 ; 扭转离位弹簧
vertical off-normal spring [机] 上升离位簧
off-normal spring 离位触簧
Spring cut-off tool holders 弹性切割车刀架
以上来源于: WordNet
N-COUNT You can refer to a person's children or to an animal's young as their offspring. 子女; 幼崽 [正式]
Eleanor was now less anxious about her offspring than she had once been.
这时，埃莉诺已不像以前那样为子女担忧了。
Every living thing is a unique combination of the tiny pieces of matter called genes that carry information from parents to off-spring.
每一个生物都是由一些叫做基因的物质独特组合而成的，基因则是一种将遗传信息由父辈传给子辈的微小物质。
She believes she's a better mum for having had children early as she has lots of energy and can relate to her off-spring because they are closer in age.
她相信孩子生得早让她成为了一个更好的母亲。正因如此，她有更多的精力和孩子们相处，而且她们年龄相仿，关系更近。
Such a system was tested in a peacetime operation off the coast of Liberia in spring 2008.
这样的一个系统于2008年春季在利比里亚沿海的一个和平时期的演习中经过了试验。
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