单词	donut--toroid-- doughnut
释义	toroid; donut; doughnut环形管
随便看	obligatorinesses obligatorisch obligators obligatory obligatory aerobe obligatory aerobe; obligate aerobe obligatory aerobes obligatory aerobic obligatory aerobic bacteria obligatory aerobic bacteria--strictly aerobic bacteria obligatory aerobic bacteria; strictly aerobic bacteria obligatory aerobic-- strictly aerobic obligatory aerobic; strictly aerobic obligatory anaerobe obligatory anaerobes obligatory anaerobic obligatory anaerobic bacteria obligatory anaerobic-- strictly anaerobic obligatory anaerobic; strictly anaerobic obligatory halophile obligatory parasite obligatory parasitism obligatory parthenogenesis obligatory plant obligatory reabsorption