| 单词 | youth-and-old-age |
| 释义 | youth-and-old-age /yoohth"euhn ohld'ayj", -euhnd/, n. a stiff-growing, erect composite plant, Zinnia elegans, of Mexico, having large, solitary flowers with yellow-to-purple disks and usually red rays. [1890-95, Amer.] |
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