渗透差异封闭的英文：
permeability trap

permeability是什么意思：
n. 浸透性,可透性,导磁性

This membrane is semi-permeable.
这层膜是半渗透性的。

The waste material is placed in cells with permeable membranes
废液置于有渗透膜的槽中。

The major difference is that geological structures have limited permeability.
主要的问题是地质结构的渗透性有限。

The permeability of a soil is important for calculations of underground flow
土的渗透性对于地下液流的计算很为重要。

Histamine causes vasoconstriction and increased permeability of small venules.
组织胺能引起血管收缩，并增强小静脉的透性。

trap是什么意思：
n. 陷阱；圈套；夹子
v. 诱捕；设陷阱；困住；使陷入困境

ball float trap
浮球式阻汽器

The pain was caused by a trapped nerve.
这疼痛是由于神经受抑制引起的。

The rat was caught in a trap.
那只老鼠被捕鼠器捉住了。

Be ware of falling into their trap.
当心中了他们的计。

She was arrayed with splendid trappings.
她穿着华丽的礼服。