A horizon
A层（腐殖堆积层, 等于淋溶层）
🧩 词语组成解析
horizon
[hə'raɪzn]
n. 地平线;范围;界限;眼界;
🗣️ 情景例句
Read it.
读出来吧。
You've got an express mail.
你有特快专递。
She played basketball after school, and then walked home.
放学后她打了篮球，然后步行回家。