1.physical activity 体育活动
例句:But that physical activity can improve your bones as well.
不过那种体力活动还可以增强你的骨质
。2.science fiction 科幻
例句:So real that some people are asking whether science fiction should now be converted into science fact.
同样现实的是很多人疑问是否科幻小说现在应该转换成科技事实了
。3.public announcement 公告
例句:So wedecided to first make a public announcement and now we are having discussionswith the Chinese government.
所以,我们决定首先向公众发表声明,然后,现在我们与中国政府进行讨论(寻找解决办法)
。4.LED screens LED显示屏
例句:The results appear on an LED screen or as an audio prompt (“50 meters, 3 o’clock”).
结果显示既可以在一块LED屏上显示,也可以语音提示(“3点钟方向,距离50米”)
。