half-siblingWiktionary 原文英美构词拆解half-前缀+sibling词干half-half or partial; not complete · Used before brother, sister, uncle, aunt, and so forth, to indicate that the person being identified is related only through one parent, grandparent, and so forth, rather than two.词源说明From half- + sibling.释义名词noun1Alternative spelling of half sibling.同族词派生词 1half-sibling-in-law