rapiden.直达长途客车rapidadj.短时间发生的；急速的；迅速的；快的；险峻的n.急流；湍滩rapid flow noise湍流噪声rapid generating快速生成rapid five drill打快球的练习rapid filtration快速过滤rapidly-movingadj.迅速移动的rapid start type快速起动类型rapid deposition强淤rapid ment model快速扩散制造rapid deployment迅速展开rapid resolution快速解析