Soldiers in the Army Reserve typically spend one weekend a month in training and attend a two-week Field Training Exercise (FTX) once a year.是什么意思_Soldiers in the Army Reserve typically spend one weekend a month in training and attend a two-week Field Training Exercise (FTX) once a year.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句