gold preparations的用法和样例：
例句
- The gold leaching biologicals were prepared from protein rich surplus stock of food industry after changing property through hydrolysis.
选用富含蛋白质的食品工业下脚料经水解改性以后，制备成生物浸金制剂。 - Chrysiasis is an uncommon permanent blue-gray discoloration occurring on the sun-exposed skin of the patients who have been exposed to gold salts.
摘要金沉著症是一发生于曾接受长期金制剂治疗之病人，在光曝露皮肤处的罕见而永久的蓝灰色色素斑。
