Since last September, college students in the U.S., Canada, Italy, and Poland have been researching, designing, and building their remote-controlled rovers in preparation for the ultimate test.
从去年9月起,来自美国、加拿大、意大利和波兰的高校在校生一直在研究、设计和制作他们的遥控探测车,为最终测试做准备。
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