| 单词 | tube cell |
| 释义 | tube cellnoun1 : one of the two cells that is produced by division of the microspore nucleus in the development of the male gametophyte in higher plants and that functions in development of the pollen tube 2 : any of the cells in a wheat grain having long axes parallel to those of the epicarp cells, appearing as rings in transection, and forming the inner epidermis of the grain |
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