电脑是有用的机器。
The computer is a very useful machine. It is the most important invention in many years. People use it widely today in many ways.
计算机是一种很有用的机器，它是多年来最重要的发明。今天，人们广泛地使用计算机。
ComputersThe computer is a very useful machine. It is the most important invention in many years.
计算机是一种很有用的机器，它是多年来最重要的发明。
The engineers said the machine is useful for people working on assembly lines or running around to make deliveries. It uses a computer and battery to work.
设计工程师称，该装置内置电脑和电池，对于需要长时间站立的流水线工人以及外卖配送员十分有用。
Formerly a bulky machine that demanded much space, the computer is now becoming smaller and smaller and scientists have made it more sophisticated and accordingly more useful.
以前是笨重的机器，需要很大的空间，电脑是现在世界变得越来越小了，科学家已经取得了它更先进的，因此更为实用。
Formerly a bulky machine that demanded much space, the computer is now becoming smaller and smaller and scientists have made it more sophisticated and accordingly more useful.
以前是笨重的机器，需要很大的空间，电脑是现在世界变得越来越小了，科学家已经取得了它更先进的，因此更为实用。
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