speek的精選

1、speak[英][spi:k][美][spik]2、n.(Speek)人名；(瑞典)斯佩克3、例句：Someprimarystudyonsynthesisandperformanceofnon-fluorinatedSPEEKPEMandSPEEKself-humidifyingmembranewascarriedout.對非氟speek磺酸質子交換...