联邦最高法院一致裁定学校实行的种族隔离措施违反宪法。The Supreme Court unanimously ruled that racial segregation in schools was unconstitutional.人民群众普遍反对突然实行的变革.The populace at large is / are opposed to sudden change.我们在联邦体制下实行的是法院系统的双轨制.As makes ...
Paleontologists know chert as a good place to look for fossils.古生物学者知道黑矽石同样的好地方去观看化石.The fossils appear to be an early form of seaweed washed up on a beach.这些化石看上去是被海水冲上岸的一种早期的水藻。The geologist found many uncovered fossil...