1) These were the so-called mainframe machines.
它们被称为主机。
3) They were hunted to near extinction.
它们被捕杀殆
4) They could easily be seen.
它们容易被识别。
6) they are teaching machines.
它们是教学机器。
补充资料:它们
1.代词。称不止一个的事物。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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