Calculating the value of secant, one of the trigonometric functions, is difficult.

The skeleton shrimp is clinging to the rocks on the seafloor and living.

When he was young, he belonged to the army.

The study of the continental shelf is an important field in oceanography.

I want to travel to that continent someday.

I found a large tortoise in the park.

We decided to travel by land.

We decided to go by land across the mountain.

This sculpture is based on the motif of a goose's neck.

She kissed him on the nape of his neck.