This shell's outer lip has a very beautiful pattern.

He was struggling to perform external rotation of the shoulder.

My favorite classic novel is Water Margin.

I am very interested in genetics.

This disease is caused by the gene.

I read the Book of Ecclesiastes every day.

He is undergoing training for extravehicular activity.

He engaged in an extravehicular activity from the spaceship.

He is a foreigner, but he can speak Japanese fluently.

I have been to Outer Mongolia.