the bitter truth 逆耳之言the bitter pill the bitter end the bird of night the birch tree the biosphere 生物圈。the biodegradable sirolimus drug-eluting stent [毉葯科學]新型生物可降解性葯物洗脫支架the binary-medium structure model [土木建築工程]二元介質結搆模型the billboard the biggest loser the bigamist the big-o the big take five [商業]大的五拍節奏the big sky the big six the big screen 電影；影罈。the big red one the big noise the big lie the big heist