Where did you get the source of sound for this song?

He is majoring in electrical engineering.

Electroporation is a biotechnology technique that creates temporary holes in the cell membrane to incorporate substances into the cell.

He is majoring in electrical engineering.

It's difficult to understand the principles of electrooptics.

I checked the train schedule by looking at the electronic noticeboard at the station.

The children were playing by beating the pellet drum.

His actions always show nobility.

He called my name in a loud voice.

He called my name in a loud voice.