| 单词 | ray petal |
| 释义 | > as lemmasray petal ray petal n. ΚΠ 1859 C. Darwin Origin of Species v. 145 That the development of the ray-petals by drawing nourishment from certain other parts of the flower had caused their abortion. 1957 Jrnl. Ecol. 45 629 The stage of ray expansion and unrolling is rapid (less than 24 hours even in dull weather) and the ray petal then folds back. 2002 Frederick (Maryland) Post 28 Mar. b7/3 Ordinary sunflowers feature the brown center and ring of golden ray petals. < as lemmas |
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