(每日一词）effusion

effusion /ɪˈfjuːʒən/ n. （感情的）流露，洋溢（偏正式）;（液体的）流出，渗出（医学/科学）

Meaning: 

●an outpouring of feelings or emotions

●the act of liquid flowing out, especially in the body

1) 前缀: ef- 表示ex-向外

2) 词根: fus- 表示流, 比如refuse, confuse 

3) 后缀: -ion 名词后缀

e.g. The doctor detected fluid effusion in the lungs. 医生检测到肺部有积液。

e.g. His speech was full of effusion and passion. 他的演讲充满了情感的流露和激情。