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以上来源于: WordNet
N a small opening in the integuments of a plant ovule through which the male gametes pass (植物)珠孔
On this butterfly egg, the lacy pattern marks the micropyle, where sperm enters.
在这种蝴蝶卵上,花边图案标记精子进入的卵孔。
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The micropyle was formed by the inner integument.
珠孔由内珠被形成。
The micropyle is formed with inner integuments and partial outer integument.
珠孔由内珠被和腹侧外珠被构成。
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