单细胞动物

infected animal───感染动物

sickle cell anemia───镰状细胞性贫血

single-celled───[细胞]单细胞的

sentinel animal───哨兵动物

sickle cell trait───镰状细胞性状；镰刀型贫血特质

sickle cell traits───镰状细胞性状；镰刀型贫血特质

single cream───一次分离的稀奶油

An even smaller society: did you know that all bacteria are single-celled organisms? Bacteria Cells are much smaller and more simple than eukaryotes like plant and animal cell.───一个更小的社会：你知道吗，所有的细菌都是单细胞生物？细菌细胞比植物和动物真核细胞相比，更简单也更小。

This ancestor was a single-celled aquatic eukaryote, and would have had the common features of animal and plant cells described above.───它是单细胞水生真核生物，并应该具备上述动物和植物细胞的共同特点。

Giardia lamblia is a protozoa, a single-celled animal, responsible for one of the most prevalent parasitic diseases in the world.