BAabbr.(=bachelor of arts) 文学士abbr.(=batting average) 击球率abbr.(=Buenos Aires) 布宜诺斯艾利斯abbr.[国家域名]波黑(=Bosnia and Herzegovina)
Bavor巴沃尔
"a baffling problem""I faced the knotty problem of what to have for breakfast""a problematic situation at home"