If you describe someone as cadaverous, you mean they are extremely thin and pale.
例句
...a tall man with a long, cadaverous face.面色苍白的长脸高个儿男子
英汉词典释义
adj.
死人似的, 尸体般的
a cadaverous odor.死尸一样的气味
面色灰白的;枯槁的
I saw a cadaverous face appear at a small window.我看到小窗口处出现了一张没有血色的面孔。
英英词典释义
Adjective
1. very thin especially from disease or hunger or cold;
"emaciated bony hands""a nightmare population of gaunt men and skeletal boys""eyes were haggard and cavernous""small pinched faces""kept life in his wasted frame only by grim concentration"