Hemobarometer
[医] 血比重计
🗣️ 情景例句
I did my thesis on Sino-American Business Relationship.
我做的论文题目是中美贸易关系。
Put your shoulder to the wheel.
努力工作。
What will be the population of the world in the year 2000?
2000年世界人口将是多少？