Sitting, as opposed to lying down, further decreases blood return from the lower extremities because of the increased work that must be done against gravity.

坐着比躺着更能降低下肢血液循环，因为坐着要增加做功来克服引力。

youdao

Tom was lying on the lower bunk.

汤姆躺在下铺。

youdao

Lying in the territory in the northwest, southeast lower than the moderate middle.

境内地势西北高，东南低，中间较平缓。

youdao

"We think something on the line of 3 inches over six hours would probably put 2 to 4 feet of water in the lower-lying sections of the city, " said Lt.

CNN: With Rita strengthening, Galveston orders evacuation