factories是什么意思

factories是什么意思 BSCI-compliant factories是什么意思 factories variants factories的音标是什么 dropout factories什么意思 there were [ ] people and factories Factories must stop ____the environment. Robots can build In factories. There are lots of factories. There are alreadly robots working in factories many factories may have to close down. Are there already robots working in factories?