Allotropy
n. 同素异形(现象)
🗣️ 情景例句
No news is good news as far as I'm concerned.
我觉得没有消息就是最好的消息。
I never used to oversleep.
我过去从未睡过头。
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？