alternation by turns in turn rotation take turns turn turn and turn about
轮流;
devolution in file in turn priority take turns turn and turn about
依次;
turn turtle
(乌龟、汽车)四脚朝天;
无能为力;
翻船;
(乌龟、汽车)四脚朝天;
capsizal capsize keel over overturn tip turn turtle upset
倾覆;
capsizal capsize keel over overturn tip turn turtle upset
倾覆;