Argentum colloidale
[医] 胶体银
🧩 词语组成解析
n. [化]银
🗣️ 情景例句
Oh, I'm sorry Susan isn't here.
啊 可惜Susan不在。
She began playing the violin when she was nine.
九岁的时候，她开始拉小提琴。
Look at this letter from Wang Wei to her penfriend in Australia.
请看这封王伟写给她在澳大利亚的笔友的信。