单词	directed arc
释义	directed arc 有向弧
随便看	personal standard time personal statement personal status personal stereo personal stereos personal stock personal stress personal style personal stylist personal subsidies personal subsidy personal supercomputer personal supremacy personal surety personal suretyship personal survival personal survival equipment for astronauts personal system personal system/2 personal task personal tax personal-tax personal taxation personal tax rate personal tax relief 天悬地隔天惊石破天愁地惨天成地平天打雷劈天授地设天摇地动天摧地塌天方夜谭天旋地转木履木工木彫木彫り木彫リ木戸木戸御免木挽き木挽キ木斛