You can use spectroscopy to examine the components of a substance.

Since he is always laughing, it can be said that 'fortune comes in by a merry gate'.

He spent his money as quickly as 'a duck comes bearing green onions', which means a fool and his money are soon parted.

He is a generous person.

Tom is my best friend.

He picked up the bar.

I will go in the direction of your house.

He is an expert in law.

We are all part of the same brethren.

Yomogi is one of the plants in the Artemisia genus.