v.（使）削弱， （使）变弱( weaken的第三人称单数 )...

The burlesque element weakens the serious portions of the book.书里的戏谑成分使严肃部分受到损害.The ? ing girdling process weakens the trees, it.这个带状剥树皮的过程伤害了树." Cousins shouldn't marry, even second cousins. It weakens the strain."...

Malnutrition obviously weakens the patient.营养不良明显导致病人身体虚弱。" Cousins shouldn't marry, even second cousins. It weakens the strain." 表兄妹不应该结婚, 就是从表兄妹也不应该, 那会削弱血统的.The burlesque element weakens the serious portions of t...

weakens的音标：...