Visible signs include a distended abdomen with ascites, and Caput Medusae or visibly engorged superficial abdominal veins.

可见的体征包括由腹的腹胀以及海蛇头，即腹壁静脉曲张显着。

The challenge was immediately obvious-- water the color of cold coffee, almost no visibility, swimming against a torrent of water, the engorged stream that runs through the cave.

他们面临的挑战非常明显——。的颜色像冷样，基本上没有可见度，而他们需要逆着山洞内的急流游泳。