balkline'bɔ:klaɪn英式朗读美式朗读基本解释田径赛中的起跑线, 运动员脚踏上线(即犯规的线)英文释义n. line across a billiard table behind which the cue balls are placed at the start of a game上一个单词:balkingly下一个单词:balks