他们衣着简朴，不使用那些现代的发明物。They wear simple clothes and shun modern contrivances.汤玛斯爱迪生创造了许许多多的发明物, 但留声机却是他的最爱.Thomas Edison created many inventions, but his favorite was the phonograph.人类发明物的目录就很少变化了.The catalog of human invent...
两个人被派上山,而大部分登山队员留在大本营.Two men were sent up the mountain while the main party of climbers remained at base camp.这座公园是熊 、 狼及其他野生动物的大本营.The park is home to bears, wolves, and other wild animals.他们派来了元首车队的一辆轿车,把我接到大本营.One of...