Corneite
黑云母糜稜角页岩
🗣️ 情景例句
The first chopsticks were made from bone and jade.
第一批筷子是骨头或玉制成的。
I had a hamburger and a fried chicken leg?
我吃一个汉堡包，一个炸鸡腿。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？