单词	retrorse valve
释义	retrorse valve 上翻阀
随便看	semaphore code semaphore counterbalance semaphore counterweight semaphored semaphore flag semaphore indicator semaphore lamp semaphore lantern semaphore lock operation semaphore plant semaphore plants semaphore primitive semaphore queue management semaphore repeater semaphores semaphore shaft semaphore signal semaphore signaling semaphore signalling semaphore symbol semaphoretic semaphore type indicator semaphore unlock operation semaphore word semaphoric 危栏外危楼还望危楼还望危樯独夜舟危途何策；书窗如梦危阑醉倚人如画危驻紫金山即之愈希即事非今亦非古即今倏忽已五十 55296 55297 55298 55299 55300 55301 55302 55303 55304 55305