striking circle击球: batting圈: circle; ring地球圈: geosphere罚球圈: free throw circle; freethrow circle; freethrow lane; painted area; perimeter跳球圈: jumcircle下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:击球圈，即可在微信中查询翻译
