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单词
primordium
释义
primordium
n. (pl. primordia) Biol. an organ or tissue in the early stages of development.
Etymology
: L, neut. of primordius original f. primus first + ordiri begin
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polyphone
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polysaccharide
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polysyllable
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polytetrafluoroethylene
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更新时间:2025/12/10 4:41:00