1·These are boxes that sit between the plug and the device, or are sometimes integrated with the plug.
这是一种位于插头与设备之间的盒状物体，有时它也会与插头合为一体。
2·The tumor usually begins in the adrenal glands, which sit on top of the kidneys and produce hormones.
肿瘤通常从肾上腺开始生长，肾上腺位于两侧肾脏的上方，其功能是分泌激素。
3·The pools, which sit atop the reactor buildings and are meant to keep spent fuel submerged in water, have lost their cooling systems.
乏燃料池位于反应堆建筑的顶部，它们本应浸泡在冷却水中，但是它们的冷却系统已经损坏。
4·The scope resolution operator should sit between the class name and the static property you wish to access.
范围解析操作符应位于类名和希望访问的静态属性之间。
5·Ion channels sit in a cell's outer membrane and let electrically charged atoms (ions, as they are known in chemical jargon) in and out of the cell.
离子通道位于细胞外膜，使带电荷原子(即化学术语中的离子)可以进出细胞。