(1)其间;同时(in the meantime;during this time)：M～I continued my investigations.在此期间我继续进行调查。The train doesn't leave for an hour;～，I'm going to take a nap.火车一小时后才开，开车前我要睡一小觉。The workers had a little rest together，talking～of old times.工人们边休息边谈论往事。〖同〗meantime