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单词
sporopollenin
释义
spo·ro·pol·len·in
(spôr
′
ə
-p
ŏ
l
ə
-n
ĭ
n)
n.
A decay-resistant complex biopolymer that constitutes the outer wall of spores and pollen grains.
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更新时间:2026/6/14 9:31:05