犯罪现场 the crime scene——青夏教育精英家教网——

49.犯罪现场 the crime scene

48.每76年 every 76 years

47.采取措施解决问题

take measures to solve the problem

46.在接下来的十年里 in the next ten years

45.环境污染　 environmental pollution

44.重力原理　 the Law of Gravity

43.代替　 instead of

42.五岁的儿子　 a 5-year-old son

41.用完　 use up

40.是…样子 what was … like?

0 302752 302760 302766 302770 302776 302778 302782 302788 302790 302796 302802 302806 302808 302812 302818 302820 302826 302830 302832 302836 302838 302842 302844 302846 302847 302848 302850 302851 302852 302854 302856 302860 302862 302866 302868 302872 302878 302880 302886 302890 302892 302896 302902 302908 302910 302916 302920 302922 302928 302932 302938 302946 447348