unpaired

molecules with unpaired valence electrons.

有成对价电分。

fin skeletons In unpaired precaudal fins, the basal plates and radials;

鳍骨骼在成对鳍，基板与动脉中；

hemizygous Describing genetic material that has no homologous counterpart and is thus unpaired in the diploid state.

半合：是一类没有同源配对物，因此在二倍体中成对遗传物质。