He is a very serious student.

I know this is sudden, but could you arrange a time for me to meet with the president?

Mercury(II) fulminate is a very sensitive explosive and needs to be handled properly.

In organic chemistry, fulminic acid is produced from carbon monoxide and ammonia.

The battleship sank due to a torpedo attack.

This building is equipped with lightning protection, so there is no need to worry about being struck by lightning.

He avoided standing under the tree to avoid striking lightning.

This mural is painted with a traditional Chinese S-shaped geometric pattern, known as a thunder pattern.

Her eyelids are getting heavy, maybe she is tired.

The children were happily playing Kagome Kagome in the park.