47.三用面支很多危险

without having to face many of the dangers

46.河口是自然界中幼小生命的繁衍地

estuaries are great places for nature’s young ones

45.陆地与海洋的衔接地带

a zone between the land and the sea

44.制造出一种独特的环境

create a unique environment

43.在河口相混合mix together in an estuary

42.河流与大洋交汇

where a river meets the ocean

41.海洋是地球上一切生物的发源地

　the oceans are the source of life on earth

40.叫来警察 call in the police

39.捉弄你　 play a trick on sb

38.继续在该公司工作

continue working at this company