He has a strong sense of public spirit and is always working for the community.

The carpel of this flower has a very unique shape.

His behavior aroused suspicion.

No one knows his inner thoughts.

A journey to the Earth's core is a big challenge for scientists.

Could you please tell me how to calculate the excenter of this triangle?

He collapsed from cardiac arrest.

I saw a masked palm civet in the park.

He stole the wallet on a sudden evil thought.

Every morning, I chant the Heart Sutra.