He said he has not been using any mosquito repellant.

他说他还没用过任何防蚊杀虫剂。

youdao

Therefore, it is not surprising that the origins of mosquito repellant are from long ago.

因此，驱虫剂的起源悠久实不令人意外。

youdao

Therefore, it is not surprising that the origins of mosquito repellant are from long ago.

因此，驱虫剂的起源悠久实不令人意外。

youdao