descendant,posterity,offspring三个词义相近，都有子孙后代的意思，在用法上如何区别呢？
一、descendant 1. 可数名词。后代;后裔;子孙 。英语含义：Someone's descendants are the people in later generations who are related to them. 例如：They are descendants of the original English and Scottish settlers. 他们是最初的英格兰和苏格兰定居者的后代。Lord Cochrane and his descendants. 科克伦勋爵及其后裔2. 可数名词。派生物;衍生物;后代产物。英语含义： Something modern which developed from an older thing can be called a descendant of it. 例如：His design was a descendant of a 1956 device... 他的设计是从一个 1956 年的装置衍生而来的。They are the descendants of plants imported by the early settlers. 它们是早期移民带来的一些植物的后代。二、posterity 不可数名词。后裔；子孙；后代。英语含义： You can refer to everyone who will be alive in the future as posterity . 例如： A photographer recorded the scene on video for posterity... 摄影师用摄像机为后代记录下了这个场景。Was he making these notes for the benefit of posterity? 他写下这些笔记是为让后人受益吗？三、offspring 可数名词。孩子；子女；后代；（动物的）崽。英语含义： You can refer to a person's children or to an animal's young as their offspring . 例如： Eleanor was now less anxious about her offspring than she had once been. 埃莉诺现在不像以往那样为孩子忧心了。
标签：descendant,posterity,offspring
