The external urethral sphincter is an important muscle for controlling the excretion of urine.

He needs long-term drug therapy.

This blade is very sharp.

Is the kanji 署 used in a name?

My signature is required on this contract.

He is traveling around the world in search of the elixir of life.

He is in his unlucky year, so he needs to be particularly careful.

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

I studied Classical Chinese in university.