潮汐作用的进程既精巧又威严。
The progression of tidal effects is both elegant and stately .
在没有任何潮汐作用的帮助下，蚊子依靠传播疟疾每年杀死近两百万人。
The mosquito then spreads malaria, a disease that kills between one and two million people a year without any help from massive tidal action.
当你看到海里一起游泳的人时，你就看到了潮汐真切的推拉作用。
When you see swimmers in the ocean together, you see them react intuitively to the tide’s push and pull.
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