Telocopolymerization
共调聚反应
🗣️ 情景例句
It's still raining. I want to play tennis.
仍然在下雨。我想打网球。
Will you marry me?
你肯嫁给我吗？
What will be the population of these countries in the year 2000?
2000年不太发达国家的人口将是多少？