虽然有些人把这些名称交替使用，鼠海豚科实际上是一个更大的群体，其中还包括像虎鲸和白鲸等动物。
Although some people use these names interchangeably, porpoises are actually a larger group that also includes animals like the orca and the beluga whale.
只有两类——人科和象科——会引起注意。 而在他们之间，象与人早已开拓了地球上的宜居土地。
Only two are of any note —the families Hominidae and Elephantidae—yet between them elephants and humans have colonized the habitable surface of the earth.
此般担忧同样昭示了对萨尔科齐废除预审调查法官计划的不安，这一职务在收集证据、询问证人以及决定指控嫌疑人上具有广泛的权利。
Such worries also explain the unease over Mr Sarkozy's plan to abolish investigating judges, who have sweeping powers to collect evidence, question witnesses and decide to send suspects for trial.
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