| 释义 |
DEFINITIVE EXAMPLES 权威例句〔backspin〕A spin that tends to retard, arrest, or reverse the linear motion of an object, especially of a ball.回旋：使一个做直线运动的物体减速、停滞或倒转的一种旋转，尤指一个球美国传统〔retrorocket〕A rocket engine used to retard, arrest, or reverse the motion of a vehicle, such as an aircraft, a missile, or a spacecraft.制动火箭：用于阻滞、抑制或使运载物（如飞行器、导弹或太空飞行器）反向运动的火箭引擎美国传统〔ventilate〕To expose (a substance) to the circulation of fresh air, as to retard spoilage.为…开通气孔：把（一个物体）暴露到新鲜空气的循环中以减缓损坏美国传统 |