書き送る

(1)communicate (with) in writing; "Write her soon, please!"

(2)文書により連絡する

(3)communicate or express by writing; "Please write to me every week"

(4)書面で連絡する、または表す

(5)communicate by letter; "He wrote that he would be coming soon"

(6)手紙で知らせる

(1)