balkline /'bɔ:klaɪn/ 📖 中文释义 田径赛中的起跑线, 运动员脚踏上线(即犯规的线) 📘 English Definition(英文释义) n. line across a billiard table behind which the cue balls are placed at the start of a game ← balkingly B 字母词表 balks →