双凸面

shuāng tū miàn

Save to list

Definitions

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

Stop forgetting what you study.
Build recall daily.

Try HanyuGuide's Chinese review system with multiple choice, typed recall, tone-aware practice, and reviews scheduled before memory fades.

Start Free Trial $9.99 / year

Lifetime for $19.99 Try the 30-second demo

Child Words of 双凸面

• 凸 凸 tū: to stick out
• 双 双 shuāng: two
• 凸面 凸面 tū miàn: convex surface
• 面 面 miàn: face