位置:首页 > 英语听力 > 英语听力材料
中国首个商业太空采矿机器人
日期:2021-05-01
Words in This Story

asteroid – n. any one of thousands of small planets that circle around the sun

net – n. a device made of strands that weave in and out with open spaces between and used to hold or catch something
 2/3   首页 上一页 1 2 3 下一页 尾页