Cast gold pontic
[醫] 鑄金橋體
?? 詞語組成解析
cast
[kɑ:st]
vt. 鑄造;投擲;投射;脫落，脫皮;
n. 鑄型;演員表;輕微的斜視;投，擲骰;
vi. 擲，投;計算，加;
gold
[ɡold]
n. 金，黃金;金色;金幣;金飾品;
adj. 金（制）的，含金的;金色的;金本位的;
n. [醫]假牙
??? 情景例句
What time does the library close?
圖書館什么時候閉館？
I really don't think this weather will last.
我確實認為這樣的好天長不了。
Over a year passed before the first attempt was made.
然而一年多過去了才有人出來嘗試。