His work progress is slow.

He is doing special exercises to strengthen the interosseous muscles of his hand.

The Winter Triangle is a shape that connects the brightest stars in the night sky.

The Summer Triangle is shining in the night sky.

He is so engrossed in his work, it's like 'Wu's cow gasping at the moon'.

He reacts excessively to even small problems, like the proverb 'Kureushi Tsuki ni Aegu' which means 'excessive fear'.

Bovine spongiform encephalopathy is a fatal disease that infects cows.

An intercontinental ballistic missile is a weapon with a very large destructive power.

The launch of intercontinental ballistic missiles has become an international issue.

The intertransversarius muscle is an important part of our body, especially part of the back muscles.