n.& adj.桧叶螅(的)
They are determining the serum - protein and cholesterol levels.
他们正在测定血清蛋白和胆固醇的浓度.
The only available hyperimmune serum was of equine origin.
唯一可得到的超免疫血清来源于马.
The serum is available to the general public.
一般公众均可获得血清.