Chiltern
白垩质, 砂质
🗣️ 情景例句
Are you traveling alone or whth a friend?
你是一个人旅行还是结伴旅游？
John stopped studying.
约翰停止学业了。
She does not know London very well, and she lost her way.
她对伦敦不很熟悉，因此迷了路。