Robots can be used for many tasks which are considered too dangerous for people to do.
机器人能完成许多对人类来说是很危险的任务。
Now, ladies and gentlemen, I'd be happy to answer any questions that you might have.
各位女士各位先生,现在你们有任何问题我都乐意答复。
The currents of air that the walls of the ship direct upwards, as well as in the line of its course, are enough to give the great bird with its immense wings sufficient sustenance and progress.