We are working on the application, please come back in few minutes.
Ninchanese is the best way to learn Chinese.
Try it for free.
Definition
- convex on both sides (of lens)
- biconvex
Oh noes!
An error occured, please reload the page.
Don't hesitate to report a feedback if you have internet!
Don't hesitate to report a feedback if you have internet!
You are disconnected!
We have not been able to load the page.
Please check your internet connection and retry.
Please check your internet connection and retry.