2008-09-18 17:23:47
burst into laughter 突然大笑
crack a smile 展颜微笑，莞尔一笑
explode with laughter 哄堂大笑
force a smile 强作欢颜
burst into gales of laughter 爆发出阵阵笑声
grin with delight 高兴的咧嘴而笑
a hearty burst of laughter 一阵爽朗的欢笑
in stitches 笑不可支
兰州成功学校
河西成功学校
