Chesterian
[地质]契斯特群
🗣️ 情景例句
It was wet yesterday.
昨天下雨。
The best is oftentimes the enemy of the good.
要求过高反难成功。
I like looking after my sister's baby, but my sister doesn't let me do it.
我喜欢照看我姐姐的孩子，但我姐姐却不让我做这事。