那就看语境了,如果是指着一个正族物体问,你就回答培虚 this is something。。。如果是之一件事情的话或者要你配清燃解释,你就学要解释了。because a traffic happens when i am on my car
What‘s this? 这是什么?
This is +名词 这汪悉派是......(困贺例:This is a cat 这是一只猫)
或者陆弯回答 I don't know
you can say :It's a ......or This is a.......
This is,,,,,,,,,
This is ...
这是……磨烂
例如This is a bag这是一个瞎瞎漏书包
This is an apple.这是一个神没苹果