Water-soluble substances, like ions, cross the capillary wall through either water-filled spaces, called clefts, between the endothelial cells, or through large pores in the walls of fenestrated capillaries.

水溶性物质，如离子，通过内皮细胞间的充水空间（裂缝），穿过毛细血管壁或由有孔毛细血管壁的小孔穿过。

In a brilliantly immersive marketing push, HBO launched a fan-led scavenger hunt, giving fans the opportunity to cross the fourth wall and search for six replica Iron Thrones, situated in six destinations around the world.

在出色的沉浸式营销的推动下，HBO 发起了由粉丝主导的寻宝游戏，使粉丝能越过第四堵墙，寻找位于全球六个地点的六座铁王座复制品。