flour gold

例句：

1. 1. The flour gold in the dough iswhat makes it rise.
   面团中的面粉金是使其膨胀的原因。
2. 2. Gold is often used asa symbol of wealth and prosperity.
   黄金常被用作财富和繁荣的象征。
3. 3. The gold medalwas awarded to the winner of the competition.
   金牌被授予了比赛的获胜者。