| 词汇 | heliotrope |
| 词根词缀 | 词源： "plant which turns its flowers and leaves to the sun," c.1626, from Fr. heliotrope, from L. heliotropium, from Gk. heliotropion, from helios "sun" (see sol) + tropos "turn" (see trope). The word was applied c.1000-1600 in L. form to sunflowers and marigolds. |
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