Oxygen passes through the incredibly thin walls of the alveoli into the capillaries and is then carried back to the heart via the pulmonary veins.

氧气穿过无数肺泡的薄壁进入毛细血管中，随后经肺静脉带到心脏。

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We move forward, like boats sailing against the wind and the waves, but all the time we are carried back into our past.

我们像航船逆风逆浪而行一样前进，但我们却一直被拉回到我们往昔的岁月中。

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On his back he carried a large sack of food, a new gun and aminal traps he had bought with the Judge's money.

VOA: special.2010.06.26

Seth helped John pack his fur and traps so he could carried them on his back.

VOA: special.2010.06.26

A camper is a small shelter carried in the back of a truck.

VOA: special.2010.02.02

He will be cremated later Friday and the remains carried back by hearse to Bongha.

CNN: South Koreans pay respects to former leader

Scoring means you will be carried back into the town by your team shoulder high and cheered by hundreds of spectators.

BBC: Up'ards ahead in Ashbourne's Shrovetide football game

It was carried back to Pittsburgh, where Rothermel had it relined, and was later shown at the 1876 Centennial Exposition in Philadelphia.

WSJ: Capturing Gettysburg | Objects of Valor | State Museum of Pennsylvania | By Mark Yost