外部膜的英文：
outer membrane
adj. 外面的，外部的；客观外界的
- bearing outer race
轴承外座圈 - He disclosed the outer covering on the bike.
他揭去自行车上的覆盖物。 - He heard a voice in the outer room.
他听到外屋有人说话。 - Emotion is our response to the outer stimuli.
情绪是我们对外界刺激的回应。 - The outer skin of the orange is called the 'zest'.
橙子皮称为zest。
n. 膜，薄膜
- This membrane is semi-permeable.
这层膜是半渗透性的。 - The basis for membrane separations is the difference in permeability of a semiporous membrane to different molecular sizes.
膜分离技术的基础是不同大小的分子对半渗透膜渗透性不同。 - The sarcoplasmic reticulum is a system of intracellular membranes
肌浆网属于细胞内膜系统。 - renal dialysis membrane leak detector
肾透析膜渗漏检出器 - The fluid in the membranous labyrinth of the inner ear.
内淋巴耳内部膜质内耳中的水样液