Last Updated:2022/12/24

The automobile headlamp uses either a parabolic reflector or a slight modification of it to obtain a concentrated light beam.

音声機能が動作しない場合はこちらをご確認ください
Edit Histories(0)

Sentence quizzes to help you learn to read

Edit Histories(0)

Login / Sign up

 

Download the app!
DiQt

DiQt

Free

★★★★★★★★★★