题目

英语翻译
People can rent one of these cars for a whole day or just take a ride in it from one place to another,the professor said.Around 400 to 500 of these cars will be made for the Expo in 2010.The cars will have radar to help them get around people and builiding.They will mainly use solar batteries and lithium batteries.As they have no needs for drivers and oil,these cars will help save energy and human labor and cause no pollution to the environment!

提问时间：2020-11-18

答案

教授说：人们可以租这些车一整天,也可以只是乘坐它们从一个地方到另一个地方.大约有400到500辆这种车被用于2010年的世博会.这些车都装有雷达来引领人群进行游览.它们的动力主要来源于太阳能电池和锂电池.由于这些车都不需要司机和汽油,因此可以起到节约能源和人力的作用,同时对环境也没有污染.