hellip是什么意思啊？字典上怎么查不到啊？是新新词汇吗？出处何处？

HELIP:

A lump of semiliquid substance, typically a mixture of saliva and mucus coughed up from the respiratory tract as a result of infection or disease;

(块状半流体物质，通常指由于疾病感染而从呼吸道咳出的唾液与粘液的混合物）