semipermeable membrane meaning in English

（半透过膜）：某膜可以让某些分子或物质通过，但非全部都能透过。
半渗透性
半渗透膜
半透膜

Desalination is carried out by simply lowering into the ocean a long, hollow pipe capped at the lower end by a semipermeable membrane .
用一根长空心尼龙管插入海水里，并用半透膜封住较低的一端来进行海水淡化。
When separated by a semipermeable membrane ( e . g . a cell membrane ) water moves by osmosis into the hypertonic solution from the hypotonic solution
当用半透膜（如细胞膜）将两种溶液隔开，水分就会在渗透压的作用下从低渗一侧向高渗溶液流动。