◎ phlegm是什么意思 n. 痰, 粘液, 粘液质, 迟钝, 冷淡, 沉着, 镇定[医] 粘液(旧时四体液学说的四液之一), 粘痰, 粘液 n. expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause...