Concepts
n. 概念, 观念；思想（concept复数形式）
🗣️ 情景例句
There are many natural catastroophes occurring in nature.
自然界里有很多自然灾害发生。
I think it's going to be too short.
我认为它将太短。
At that time he had two helpers.
那时他有两个帮手。