Panhydrometer
通用(液体)比重计
🗣️ 情景例句
How are you at mixing cocktails?
你喝混合鸡尾酒方面功夫如何？
Is he coming to dinner?
他回来吃饭吗？
It is no use inviting the politician or the professional or business man,
同样也是无益的，对于政界人士、专业技术人员、商人来说，