Complexities
n. 复杂性(complexity的名词复数); 复杂的事物
🗣️ 情景例句
with the school board,
和联合校董会一起，
It's available in a variety of sizes at convenience stores and department stores as well.
有各种大小型号，在便利商店和百货公司均有。
The building of skyscrapers in New York began around the year 1900.
在1900年左右，摩天楼开始在纽约兴建。