[with obj.](常作
使减弱;使减少(力量、效果或价值)
-
her intolerance was attenuated by an unexpected liberalism .那种意想不到的自由放任行为使她难以忍耐。
reduce the amplitude of (a signal, electric current, or other oscillation)
减弱,减少(信号、电流或振动)。
[no obj.](of a signal, electric current, or other oscillation)be reduced in amplitude
(信号、电流振动)减弱。
[usu. as adj.
减弱(病原体或疫苗的)毒性
-
attenuated strains of rabies virus .减低了毒性的狂犬病病毒菌种。
reduce in thickness; make thin
(使)变稀薄。
tenj℧ɪt/
〈罕〉(在力量、效果或厚度上)减弱的,减少的。
"mid 16th cent.: from Latin