Studbook
n. 良种登记册
✅ 同义词
🗣️ 情景例句
I couldn't be more sure, Susan.
我再确定不过了， Susan。
I played upstairs yesterday.
我昨天在楼上玩。
What will be the population of these countries by the end of the twentieth century?
到20世界末较发达国家的人口将是多少？