back up片語動詞KK [bæk ʌp] /bæk ʌp/發音片語動詞1支持、支援、聲援可拆開If I raise the issue at the meeting, will you back me up?如果我在會上提出這個問題,你會支持我嗎?2備份可拆開Remember to back up your files before updating the software.更新軟體之前記得備份檔案。3倒車、倒退He backed up slowly until the trailer reached the garage door.他慢慢倒車,直到拖車靠到車庫門口。4證實、佐證、印證可拆開These figures back up everything she said in her report.這些數據證實了她在報告中所說的一切。5後退、往後退Back up a little so everyone can fit in the photo.往後退一點,這樣大家才都能拍進照片裡。顯示全部 6 個義項片語動詞6堵塞、阻塞、積水Traffic was backing up for kilometers behind the accident.事故後方的車流堵了好幾公里。