weak D弱Dweakadj.弱的；虚弱的；无力的；差的；淡薄的weak stress次重音weak nature软弱本性weak strain生命力弱的菌株weak momentn.极脆弱的时候；极易折服的时候weak market疲软市场weak status弱势群体weak typing可变资料型态weak pocket薄弱点,缺点weak coffee淡咖啡weak region弱区域