Liquidensitometer
液体密度计
🗣️ 情景例句
How can I reward your help?
我怎样才能报答你的帮助呢？
To watch the lovers
注视着情侣们
Recently the New York Animal Medical Center made a study of 132 cats over a period of five months.
最近，纽约动物医疗中心对132只猫进行了为期5个月的综合研究。