質問: 英語の宿題なのですが、Google翻訳で英文を作りました。不自然なところはありますか?
回答: When you want to throw a trash, you just throw it near the trash box. Then the sensor senses and pick it up, moreover, the sensor separates and sort it. After that, it goes back where it has been. Using this kind of machine, we do not have to move ourselves around at all.