单词	pentyne
释义	pentyne noun pen·​tyne ˈpen‧ˌtīn plural -s : either of two normal isomeric hydrocarbons C5H8 of the acetylene series Word History Etymology penta- + -yne
随便看	frottola frottole frotton frottons frou-frou frou-frous Froude froufrou froufrous frough frounce frounced frounces frouncing froust frouzier frouziest frow froward Froward, Cape frowarder frowardest frowardly frowardness frowardnesses

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