Symmsn.西姆斯
SYMabbr.符号(=symbol)abbr.对称(=symmetry)
Symplocos pseudobarberinan.铁山矾
Symphysis pubic diastasis耻骨联合分离
Symplocos cochinchinensisn.越南山矾
Symydobius paucisensoriusn.少圈毛斑蚜
Symphysodon aequifasciatan.蓝七彩碟鱼(丽鱼科)
Symphysodon aequfasciatus七彩神仙鱼
symphogeneous development多丝合生发育
symplectic geometry space辛几何空间
sym-dichloroethyl ether[化] 对称二氯乙醚