单词	ulmin
释义	ulmin noun ul·​min -mə̇n plural -s : any of a group of brown to black organic substances found especially in soil, peat, or coal and obtained artificially by the action of various reagents on sugars Word History Etymology Latin ulmus elm + English -in
随便看	latrations latria latrias Latridae Latrididae latrine latrines Latrobe latrodecti latrodectuses latrodectusses latron latrons lats latte latten lattens latter latter Lammas latter-day Latter-day Saint latterlier latterliest latterly lattermath

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