单词	乒乓机制
释义	乒乓机制 ping-pong mechanism
随便看	poly-alpha-pyrrolidone fibre polyalternating Polyalthia polyalthia cerasoides Polyalthia cerasoides Polyalthia cheliensis Polyalthia chinensis Polyalthia consanguinea Polyalthia florulenta Polyalthia lancilimba Polyalthia laui polyalthia laui merr Polyalthia litseifolia Polyalthia liukiuensis Polyalthia longifolia Polyalthia longleaf Polyalthia nemoralis polyalthia oligogyna merr Polyalthia petelotii Polyalthia pingpienensis Polyalthia plagioneura Polyalthia rumphii polyalthia rumphii merr Polyalthia simiarum Polyalthia suberosa