Placer
n. 砂礦, 砂礦開采地, 放置者, 得名次者
??? 情景例句
You might want to know more about it.
我想你肯定想多了解點吧。
My brother's in the army.He was just promoted to the rank of major.
我的兄弟在軍隊工作.他就被提拔為少校。
Congratulations on your good news! You must have done well to have achieved this success.
對你的好消息表示祝賀。你一定是干得很出色才獲得這一成功的。