轻松练外语Unit 4
Topic 1 When was it invented?
- rocketn.火箭metaln.金属satelliten.卫星spaceshipn.宇宙飞船lockn.锁 v.( 用锁 )锁上,被锁住laptopn.手提电脑digitaladj.数码的,数字的bulbn.电灯泡airplanen.飞机hard-wearingadj.耐磨的
- Korean.朝鲜;韩国inventionn.发明,创造listv.列清单,把……列表 n.名单;目录;清单crayonn.彩色铅笔(粉笔,蜡笔)等processn.步骤,过程 v.加工,处理thoughtn.想法,看法,主意sillyadj.愚蠢的,傻的brainstormv.集思广益,动脑筋evaluatev.估值,评价,评估
- detailedadj.详细的redesignv.重新设计imaginationn.想象力;想象balloonn.气球;热气球gunn.枪,炮robotn.机器人keyboardn.键盘explorern.探险者,勘探者markn.标示;记号;符号 v.做记号,做标记systemn.体系,方法,制度man-madeadj.人造的;非天然的disadvantagen.不利因素;障碍;不便之处