once again什么意思解释？

once again的音标：once again的英式发音音标为：[wʌns ə'ɡen]once again的美式发音音标为：[wʌns ə'ɡɛn]...

He once again raised his baton and brought in the brass.他再次举起指挥棒，让铜管乐部加入进来。She started once again on the steep upward climb.她又开始沿着陡峭的山路往上爬。Pregnancy wasn't all plain sailing and once again there were problems.孕期并非一帆...