Hydra is one of the largest constellations in astronomy.

Phoenix is one of the constellations in the southern hemisphere.

Sculptor is one of the constellations in the southern hemisphere.

In chemistry, understanding the conformation is very important.

I learned the basics of conformational analysis in chemistry class.

There must be a reason why he is acting suspiciously. It's like the saying, 'Where there's smoke, there's fire.'

His effort is exactly like the proverb 'Even a fool can move a mountain.'

He crossed many mountains and rivers to meet her.

Alpha Centauri, in the constellation of Centaurus, is the closest star to Earth.

Microscopium is one of the constellations in the southern sky.