🗣️ 情景例句
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。
We aren't happy with the present situation.
我们不满足于现状。
It is much cheaper to post or email a long report than to fax it.
邮寄或电子邮递一封长篇报告比传真要便宜得多。