名词
中文翻译：胶体金
同义词：
['colloidal silver', 'colloidal copper', 'colloidal iron']
例句：
-
1. The gold standard is used to measure the value of currencies.
黄金标准用于衡量货币的价值。
-
2. Colloidal gold is a popular cosmetic ingredient.
胶体金是一种受欢迎的化妆品成分。
-
3. The gold medal was awarded to the best performer in the competition.
金牌被颁发给了比赛中表现最好的选手。