Aging of amalgam
[醫] 汞合金[充填]時效
?? 詞語組成解析
aging
['eid?i?]
n. 老化;老齡化;（酒等的）陳化;熟化;
v. 使變老;（使）長大( age的現在分詞 );使顯老;使變老;使蒼老;
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
amalgam
[?'m?lg?m]
n. 汞合金;混合物;
??? 情景例句
I heard the professor of that class is very good.
我聽說那個班的教授很好。
What would you like to do this weekend?
這周末你打算做什么？
Some devices were quite simple.
有些裝置非常簡單。