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Welcome to the Voice of America's “News Words”.
欢迎收听美国之音“新闻词汇”。
This news word is a tool used in training: simulator.
这个新闻词汇是在训练时用到的工具：模拟器。
The American space agency, NASA, says that next year, new space vehicles will fly humans to the International Space Station.
美国航空局NASA说在下一年，新的宇宙飞船就可以把人类带到国际空间站了。
NASA astronauts are now training in flight simulators.
NASA的宇航员现在正在飞行模拟器中训练。
Simulators are representations of machines. They reproduce the look, feel and operation of machines.
模拟器是机器的代表，它们复制机器的外观，触感和工作原理。
Simulators are perfect for training because students can make mistakes, and learn from them, without harm.
模拟器很适合训练，因为学生们可以犯错误，并从中学习，而不受伤害。
