Complexities
n. 复杂性(complexity的名词复数); 复杂的事物
🗣️ 情景例句
Be on your guard.
你要提防着点儿。
We can't rely on him.
我们不能依赖他。
What beautiful flowers! Oh, a diary,too.Thank you.
多美的花啊！还有一本日记。谢谢你们！