一、descendant
1. 可數名詞。後代;後裔;子孫 。英語含義：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.
他們是最初的英格蘭和蘇格蘭定居者的後代。
Lord Cochrane and his descendants.
科克倫勳爵及其後裔
2. 可數名詞。派生物;衍生物;後代產物。英語含義： Something modern which developed from an older thing can be called a descendant of it.
His design was a descendant of a 1956 device...
他的設計是從一個 1956 年的裝置衍生而來的。
They are the descendants of plants imported by the early settlers.
它們是早期移民帶來的一些植物的後代。
二、posterity 不可數名詞。後裔；子孫；後代。英語含義： You can refer to everyone who will be alive in the future as posterity .
A photographer recorded the scene on video for posterity...
攝影師用攝像機為後代記錄下了這個場景。
Was he making these notes for the benefit of posterity?
他寫下這些筆記是為讓後人受益嗎？
三、offspring 可數名詞。孩子；子女；後代；（動物的）崽。英語含義： You can refer to a person"s children or to an animal"s young as their offspring .
Eleanor was now less anxious about her offspring than she had once been.
埃莉諾現在不像以往那樣為孩子憂心了
一、descendant
1. 可數名詞。後代;後裔;子孫 。英語含義：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.
他們是最初的英格蘭和蘇格蘭定居者的後代。
Lord Cochrane and his descendants.
科克倫勳爵及其後裔
2. 可數名詞。派生物;衍生物;後代產物。英語含義： 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...
他的設計是從一個 1956 年的裝置衍生而來的。
They are the descendants of plants imported by the early settlers.
它們是早期移民帶來的一些植物的後代。
二、posterity 不可數名詞。後裔；子孫；後代。英語含義： 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...
攝影師用攝像機為後代記錄下了這個場景。
Was he making these notes for the benefit of posterity?
他寫下這些筆記是為讓後人受益嗎？
三、offspring 可數名詞。孩子；子女；後代；（動物的）崽。英語含義： 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.
埃莉諾現在不像以往那樣為孩子憂心了