collection
... to deal with the mail 发信 collection 收信 correspondence 通信 ...
receive
... receiveonlytypingreperforator只接收打字穿孔机 receive收信 receivedcurrent输入电流 ...
terminating
... photograph n. 照片;v.照相 terminating n. 终止,终结,收信 resolve v. 分辨,解像 ...
hear from
... lose touch 失去联系 hear from 收信 from time to time 一次次地 ...