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单词 fetus
释义
fetusfetus /ˈfit̮əs/ ●○○ noun [countable] Etymology Thesaurus science, biology a young human or animal before birth. In humans, an embryo becomes a fetus after eight weeks of development.
see thesaurus at baby1
[Origin: 1300–1400 Latin giving birth, things born]embryo
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更新时间:2024/11/14 3:31:16