四年级下册英语第一课的翻译是Welcome to our factory,children。孩子们，欢迎来到我们的工厂。These machines make crisps。这些是生产薯片的机器。
What does this machine do, sir。先生，这台机器是做什么的。It washes the potatoes。这台是清洗土豆的。Look，This machine cuts the potatoes。
看，这台机器是切土豆的。Dont touch the machines,please。请不要摸这些机器。They are dangerous.它们都很危险。
Sorry sir。先生，对不起。This machine puts the crisps in the bags。这台机器是将薯片装进袋子里的。
译文
Wait，You are a very good class。等一下，你们是一个优秀的班级。You can each have a bag of crisps。你们每个人都可以得到一包薯片。Oh,thank you,sir。谢谢，先生。
Don't feed the fish。禁止钓鱼。Don't walk on the grass禁止踩踏草坪。Don't play ball games here。禁止在这里玩球。Don't talk。禁止喧哗。Don't write on the books。禁止在书本上乱画。
