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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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killing
killjoy
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kiln-dry
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kilobyte
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kilovolt
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kimberlite
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更新时间:2026/2/26 21:05:11