| 单词 |
rostrulum |
| 释义 |
‖ ˈrostrulum Ent. [mod.L., dimin. of L. rostrum beak.] The mouth-organ of the Pulicidæ or fleas (see quot.).
1826Kirby & Sp. Entomol. III. xxxiii. 362 Rostrulum,..the oral instrument of Aphaniptera..in which the ordinary Trophi are replaced by a bivalve beak. |

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