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've got to keep my nose to the grindstone to support my family.
我拼命工作养家。
We should be aware of different styles of communication according to different cultures.
我们应该意识到根据不同的文化会有不同的交流方式。
Eventually the turtle has been butted all the way down to the floor of the tank.
这只海龟最终被撞到池底。