He was bopping around, snapping his fingers.他一边跳着博普舞，一边打着响指。The sharp sound of a twig snapping scared the badger away.细枝突然折断的刺耳声把獾惊跑了.The fire is snapping.火劈劈啪啪地响....
The schools will not improve education by regressing to the old system.学校将不会通过恢复旧制来提高教育质量.Conclusions The efficacy of sulindac is significant in regressing colonic adenomas of patients with FAP.结论舒林酸对FAP疗效显著,可使腺瘤明显消退.A t...