buckle up片语动词KK [ˋbʌkəl ʌp] /ˈbʌkəl ʌp/发音片语动词1系好安全带、系上安全带Please buckle up before I start the car.我发动车子前,请先系好安全带。2做好准备、系紧安全带口语Buckle up, because the next few months will be tough.做好准备,接下来几个月会很难熬。3为……系上安全带可拆开She buckled the children up in the back seat.她替孩子们在后座系好安全带。用这个字练口说→