发送: to transmit, to dispatch, to issue (an official document or credential)...
走过: to walk past, to pass by...
命令: order, command...
产: to give birth, to reproduce, to produce, product, resource, estate, property...
回来: to return, to come back...
操练: drill, practice...
传统: tradition, traditional, convention, conventional...
保密: to keep sth confidential, to maintain secrecy...
五花八门: myriad, all kinds of, all sorts of...
芝士: cheese (loanword)...
