Compared with the East, however, the West faced a greater number of external threats along more permeable frontiers.(然而，與東方相比，西方在更容易滲透的邊界上面臨著更多的外部威脅。)

When Dr Hammond coated a Nafion membrane in this way it became less permeable to methanol but kept its ability to transport protons.(當(dāng)Hammond博士用這種方法給Nafion膜做涂層，它對(duì)甲醇的滲透性降低了但保持了輸送質(zhì)子的能力。)

The skin of amphibians is permeable to water.(兩棲動(dòng)物的皮膚是透水的。)

The building is perceived as a large petrous and opaque volume placed over a transparent and permeable body.(這個(gè)建筑被認(rèn)為是建在一個(gè)透明的有滲透性主體上的一個(gè)巨大而不透明的巖石體塊。)

A new generation of gas-permeable lens, they allow oxygen into your eyes during wear, preventing your eyes from becoming dry and sore.(新一代的透氣型隱形眼鏡在佩戴時(shí)有很好的透氧性，可避免眼睛干燥和疼痛。)

The flow of fluids such as water through more permeable zones in a reservoir.(流體（例如水）經(jīng)儲(chǔ)層中的滲透率較高地帶的流動(dòng)。)

Like the blood-brain barrier, this is only selectively permeable, keeping any toxins in the blood from reaching the delicate photoreceptors.(和血腦屏障相同，它是選擇性可透的，阻擋血液中的有害物質(zhì)進(jìn)入到精致的感光層。)

Bamboo has become a popular choice in durable, air permeable, soft fabrics, and is used to make bedding, underwear, blankets, bags, hats, and much, much more.(竹子已經(jīng)普遍用于制作耐用、透氣、柔軟的織物，并被用于制造床上用品、內(nèi)衣、毯子、包、帽子等等。)

Here's your semi-permeable membrane.(這是你的半透膜。)

It's going to get through this, if I've got a semi-permeable membrane, a Common situation, of course.(它將通過這個(gè)，如果我用的是半透膜，可通過但b不能，its,permeable,to,a,but,not,to,b。，通常的情況，當(dāng)然。)

Traditional gloss paints..aren't permeable to water vapour.