His opinion is always rational.

He struggled to understand the object.

She loves Gothic architecture.

This word is etymologically derived from Latin.

Silver-stripe round herring is one of the traditional foods in Japan.

The era of personal union was a form where one king ruled multiple countries.

The effect of this medicine is amazing.

The axiom of choice is one of the basic axioms of mathematics.

This contract will be void if it becomes impossible to perform due to force majeure.

Let's start the meeting according to Korea Standard Time.