Amnionic fluid
羊水
?? 詞語組成解析
a. [動][解]羊膜的,有羊膜的
fluid
['flu?d]
n. 液體，流體;
adj. 流體的，流動的，流體的，液體的;易變的，不固定的;（動作、設(shè)計、音樂等）流暢優(yōu)美的;
flu流動+id形容詞后綴 →流體，液體；流動的
??? 情景例句
Yes. That would be much better.
行，那樣也好。
Are you through?
你有完沒完啊？
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墻壁或山腰附近發(fā)出的喊聲，就會聽到回聲。