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
I don't want to interrupt her school year.
我不愿意打断她这个学年。
I meet the boy whose aunt is a housemaid.
我遇到那个男孩的姑妈是家庭主妇。
so they insured it for the trip.
于是，他们对这只盘子的运输安全投了保。