单词	pentanedione
释义	pentanedione noun pen·​tane·​dione ˌpen‧ˌtānˈdīˌōn plural -s : a diketone derived from normal pentane especially : acetylacetone Word History Etymology pentane + -dione
随便看	snappy gum snaps snaps (up) snaps back snaps out of snaps up snapsack snapshoot snapshooter snapshooters snapshootings snapshot snapshots snapshotted snapshotter snapshotting snapweed snapweeds snapwood snare snare drum snare head snared snareless snarer

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