Metastannic acids
[医] 偏锡酸
🧩 词语组成解析
n. 酸, 酸类；有酸味的东西（acid的复数）
🗣️ 情景例句
We'll call in a couple of days.
我们两三天后打电话。
No. I went to California for a few weeks.
没有。我上加利福尼亚去了几个星期。
How long has Kate been at her school?
凯特进校学习有多长时间了？