This pesticide has a knockdown effect.

Natural language understanding is an important field of artificial intelligence.

I'm sorry, but I don't speak Japanese.

I am studying for the Japanese Language Proficiency Test next year.

I bought a new study aid for my math exam.

A row vector is one of the basic concepts in linear algebra.

This book was issued last year.

I went to the office to issue a new passport.

He achieved a quick kill in that game.

He performs his own sadhana every day.