B horizon
B层；沉淀层
🧩 词语组成解析
horizon
[hə'raɪzn]
n. 地平线;范围;界限;眼界;
🗣️ 情景例句
Now Richard and I are having a baby,
现在 Richard和我有了孩子，
He always takes pride in his work.He's very efficient.
他总是以他的工作而自豪，他是非常能干的。
After they carved the characters on rocks, they put a piece of wet paper on top of the characters and beat it lightly.
他们把字刻在石块上后，再把一张潮湿的纸放在字的上面，并轻轻地拍打。