Thinking sensibly, that plan will not succeed.

He has astronomical knowledge.

Knock-knock, someone is knocking on the door.

He is interested in ichthyological research.

He cut the apple.

He rejoiced when he heard about the success.

The prime meridian is the line that serves as a reference for determining the longitude of any point on Earth.

According to the Imperial Headquarters announcement, the war situation is progressing favorably.

We need to solve the problem in the production environment.

He flipped the pages of the book.