Speyn.斯佩
SPabbr.自已推进的(=self-propelled)
spick-and-spanadj.崭新的;极整洁的;极干净的
spunlaid nonwovens纺粘法非织造布
spherical grinding球面磨削
sphincter urethrae尿道括约肌
spherical meniscus球面凹凸透镜
splicing operation剪接操作
sphygmocardioscope心动心音脉搏描记器
splenomyelomalacian.脾骨髓软化
Spirogyra deciminan.长孢水绵
Spirogyra ollicolan.眼纹水绵