| 单词 | 直系后代 |
| 释义 | 〔lineal〕Derived from or relating to a particular line of descent; hereditary.遗传性的：从一特定的直系后代获得的或相联系的；遗传性的〔lineal〕Belonging to or being in the direct line of descent from an ancestor.直系的：属于或成为祖先的直系后代〔anagenesis〕A pattern of evolution that results in linear descent with no branching or splitting of the population.前进演化，进化：只有直系后代而无旁系后代的演化模式〔lineage〕Direct descent from a particular ancestor; ancestry.直系后代：某祖先的直系后代；后代 |
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