词汇	busy tree
释义	busy tree 杀势障木
随便看	obligation bond obligation broker obligation conflict obligation conflict behavior obligation contract obligation conversion obligation created by administrative orders obligately obligately chemolithoautotrophic obligate microorganism obligate parasite obligate parasites obligate parasitism obligate paratisism obligate parthenogenesis obligate parthenogensis obligate pathogen obligate pathogenic bacteria obligate photoautotroph obligate photosynthesis obligate predator obligate psychrophile obligate quadruped obligate quadrupeds obligate runner