词汇	disk black
释义	disk black n.盘黑,盘法炭黑
随便看	obligate long-day plants obligatio certa obligatio civilis obligatio dividua obligatio ex contractu obligatio ex delicto obligatio generis obligatio individua obligation obligation account obligatio naturalis obligation audit obligation authority obligation barred by prescription obligation-based obligation bond obligation broker obligation conflict obligation conflict behavior obligation contract obligation conversion obligation created by administrative orders obligately obligately chemolithoautotrophic obligate microorganism