membrane
n. （动植物的）膜；（可起防水、防风等作用的）膜状物
复数 membranes
例句
These are substances which specifically latch onto the protein on the cell membrane.
这些是专门黏附在细胞膜蛋白质上的物质。
《柯林斯英汉双解大词典》
In pterosaurs a greatly elongated fourth finger of each forelimb supported a wing-like membrane.
翼龙的每个前肢都有一根长长的第四指，支撑着像翅膀一样的膜。
Archaeopteryx shows no obvious features of gliders, such as a broad membrane connecting forelimbs and hind limbs.
始祖鸟并没有表现出明显的滑翔机的特征，比如有一层连接前肢和后肢的宽膜。
