defenceless发音形容词1无防备的、毫无防卫能力的、无助的英式拼法The kittens were tiny and completely defenceless without their mother.那些小猫咪体型很小,没有母猫在旁边就毫无防卫能力。2无武装的、不设防的Enemy planes bombed the defenceless coastal town for three days.敌机对这座不设防的海边小镇轰炸了三天。用这个字练口说→