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
One scoop or two?
一杓还是两杓？
It seems as if it's going to rain.
看起来天好像要下雨。
Sally was amused, but I was very embarrassed!
萨莉感到很有趣，而我却很尴尬。