你知道火车是由谁发明的吗.如果你不知道，让我来告诉你。的翻译：Do you know who invented train. If you do not know, let me tell you. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Do you know who invented it is a train if you do not know, let me tell you.

Do you know who invented train. If you do not know, let me tell you.

You knew the train is invents by who. If you did not know, lets me tell you.

Do you know who invented the train isn't it. If you don't know, let me tell you.

Do you know who invented train. If you do not know, let me tell you.