The shipworm is known for eating wood.

This is my favorite photograph.

I felt displeasure at his attitude.

Where is the end mark of this sentence?

He was sleeping deeply like being fast asleep.

Chenla was once a Southeast Asian nation.

Let's analyze the formant of this audio signal.

His talk was so unclear that I couldn't understand what he was saying at all.

He is conducting missionary activities in Africa.

He is working to propagate Christianity in Africa.