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单词
protostele
释义
pro·to·stele
(pr
ō
t
ə
-st
ē
l
′
, pr
ō
′
t
ə
-st
ē
l
ē
)
n.
Botany
A stele that forms a solid core of xylem encased by phloem.
pro
′
to·ste
lic
(-st
ē
l
ĭ
k)
adj.
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precede
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更新时间:2025/12/12 16:02:03