他的: his笑声: laugh; laughter感染: infect; be infected with; in ...了: finish; complete; end; fulfi ...同学: be in the same school; be a ...有感染力的笑声: an infectious laugh有感染作用的笑声: an infectious laugh老师邀请全班同学去他家参加圣诞晚会: christmas party容易感染别人的笑声: contagious laughter enthusiasm etc级友;同班同学: classmate同班同学: azuki-chan; br /classmates; cla mate; classfellow; clsmate; to heart; toheart我的同班同学: my classmates低沉的笑声: a fruity chuckle海鸥的笑声: mávahlátur; seagull's laughter狼的笑声: i'm hungry like the wolf魔鬼的笑声: o-devil’s chuckle爽朗的笑声: hearty laughter虚伪的笑声: hollow laughter阴沉的笑声: dark laughter愉快的笑声: a merry laugh party group雨中的笑声: laughter in the rain同班生,同班同学,级友。: classmate他的同学: his classmate电视上配音的笑声: canned laughter儿童们快乐的笑声: the children's glad laughter