单词：expectoration
音标：[ek.spektә'reiʃәn] ；
n. 咳痰, 吐痰, 吐出物
[医] 痰, 咳出
[医] 痰, 咳出
n. the process of coughing up and spitting out
词型变化：名词复数形式 : expectorations
expectoration的用法和样例：
词汇搭配
- expectorate咳出
- promoting expectoration to arrest convulsion坠痰镇惊
- amount of expectoration痰量
- rusty expectoration[医] 铁锈色痰...