We had to backtrack to the corner and cross the street.我们不得不原路返回到拐角处过街。Can we just backtrack a little bit and look at your primary and secondary education?我们能不能回过头来谈谈你的小学和中学教育？Air cargo loading problem by backtrack algor...
The vessels will have to land their catch at designated ports.船只必须在指定的港口把捕到的鱼卸下。He will catch at any opportunity to practise English.他设法抓住一切机会来练英语.Step on it , please. I have a plane to catch at two.请开快点, 我要赶两点的飞机....