Yoshiaki is my best friend.

He decided to quit his job because it was a low salary.

He discarded a safe tile in Mahjong.

He is enjoying reading in a quiet place.

Wei An is my best friend.

My friend came from Anqing.

He found a place to ease his body in this town.

Annam is the old name of Vietnam.

He exercises every day, so he always feels well in mind and body.

Ammonium carbonate is a compound commonly used in inorganic chemistry.