| 单词 | tonka bean |
| 释义 | tonka bean /tong"keuh/ 1. the fragrant, black almond-shaped seed of a tall tree belonging to the genus Dipteryx (or Coumarouna), of the legume family, esp. D. odorata, of tropical South America, used in perfumes, as a source of coumarin, and as a substitute for vanilla. 2. the tree itself. [1790-1800; tonka prob. < Tupi tõka] |
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