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
We have a wide connection in U.S.A.
我们在美国各地有广泛业务关系。
So if anyone here is interested in computer and computer software, please let me know.
所以这里如果有人对电脑和电脑软件感兴趣，请告诉我。
Yu Yan and Jim were neck and neck. They both passed on their sticks at the same time.
余延和吉姆跑得一样快。