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
and I'll think of a surprise.
我来想出一个惊喜。
In university, students are trained to become doctors and nurses.
大学的学生被训练成为医生和护士。
We've got to report back to the head office.
我们还要回去向总部汇报情况呢。