Coccoliths
(coccolith 的复数) n.[地]球石
🗣️ 情景例句
What are your greatest strengths?
你最大的优点是什么？
They had to cut down a lot of trees to make room for farms.
他们为了为农场增加空间不得不砍倒很多树。
The use of pesticides and fertilizers produces cheap grain and vegetables.
使用杀虫剂和化肥生产出廉价的谷物和蔬菜。