“痰”的英语？

“痰”的拼音为：tán...

候车室的公告牌要求人们不要吸烟和随地吐痰。Notices in the waiting room requested that you neither smoke nor spit.他用力咳了咳，吐了口痰。He hawked and spat.痰中的血丝blood in the sputum...