Ninchanese

Login Sign up

Ninchanese is the best way to learn Chinese.
Try it for free.

Sign me up

雙凸面 (双凸面)

shuāng tū miàn

Definition

  1. convex on both sides (of lens)
  2. biconvex

Character Decomposition

Oh noes!

An error occured, please reload the page.
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.
Retry