delay signal延缓: delay; postpone; put off信号: signal; semaphore; gun迟缓信号: delay signal延缓: delay; postpone; put off 延缓工作进度 retard the progress of work; 延缓行期 delay the journey; 延缓作出决定 defer making a decision可延缓: wait下载手机词典可随时随地查词查翻译