base on ballsとは意味：《野球》四球（による出塁）、フォアボール、与四球◆【略】BB base on balls meaning： Noun: base on balls (bases on balls) (baseball) an advance to first base by a batter who receives four balls "he worked the pitcher for a base on balls" - walk , pass Derive...base on balls 뜻：볼넷
