名詞 plasma membrane:

1. a thin membrane (a double layer of lipids) enclosing the cytoplasm of a cell; proteins in the membrane control passage of ions (like sodium or potassium or calcium) in and out of the cell
   同義詞：cell membrane, cytomembrane

1. The living material of a plant or bacterial cell, including the protoplasm and plasma membrane after the cell wall has been removed.
   原生質(zhì)體植物細(xì)胞或細(xì)菌細(xì)胞的有生命的部分，包括原生質(zhì)和去掉細(xì)胞壁后的質(zhì)膜