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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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ere
erect
erectile
erection
E-region
eremite
erethism
erg
ergo
ergocalciferol
ergonomics
ergosterol
ergot
ergotism
erica
erigeron
Erin
Erinys
eristic
erk
erl-king
ermine
-ern
ern
erne
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更新时间:2025/11/25 13:12:19