B.an aeroplane flying at 700miles an hourC.a maglev train floating on the railway tracksD.a maglev tain traveling in a vacuum tube 免费查看参考答案及解析 题目: The students of Class 1, Grade 2 are going hiking on their field trip. Hiking is good for people's health. Many hikers ...
30. (Electronics) an electromagnet that can read, write, or erase information on a magnetic medium such as a magnetic tape, disk, or drum, used in computers, tape recorders, etc 31. (Education) informal short for headmaster, headmistress, head teacher 32. (Horse Racing) a. the head of...
miss `out (on sth) (infml 口) lose an opportunity to benefit from sth or enjoy oneself 失去获得利益或获得乐趣的机会: If I don't go to the party, I shall feel I'm missing out. 我要是不去参加聚会一定觉得损失很大. missing adj 1 (a) that cannot be found or that is not in its ...