Below the RPE are the capillaries that form the retina's blood supply, but between blood and RPE is a thin layer called the blood-retinal barrier.

RPE下面是为视网膜提供血液的毛细管，血液和RPE之间的薄层叫做血视网膜屏障。

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The replica bone lacks the thin layer of cartilage that lines the real bone, and it also lacks a blood supply, so it begins to starve as soon as it is removed from the culture chamber.

人造骨骼缺乏形成天然骨骼的薄层软骨，并缺乏血液供应，因此一旦离开培养腔就会缺乏养分。

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For thin horses or those recovering from illness, fresh grass provides a steady supply of calories and is more appealing to horses who are feeling unwell than dry hay.

对体型偏瘦的马以及正从伤病中逐渐恢复的马来说，新鲜的草相对于干草来说，不但更能给马提供稳定的卡路里，且味道更可口。

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Each of us wore a lightweight pack, with a water supply fitted to a thin plastic tube to suck on while we ran.

FORBES: Pain is good

As for unsightly wires, the Audyssey Wireless Speakers have two: the unavoidable power cord (with a chunky power supply) as well as a thin black-and-red cable that connects the left and right channels. (You may want to replace this with more discreet, clear speaker wire if you can't hide it somehow.) Both make the speakers better suited to a permanent set-up than on-the-go listening.

WSJ: Big Sound, Wire-Free: Audyssey Bluetooth Speakers | Geek Chic

Asked whether he foresees a supply problem with thin-film transistor (TFT) screens, in light of reports that vendors cannot keep up with demand for the products, Sanchez said that IBM has "ample supply sources" for the screens.

CNN: Notebook prices to flatten, IBM says