A horizon
A層（腐殖堆積層, 等于淋溶層）
?? 詞語組成解析
horizon
[h?'ra?zn]
n. 地平線;范圍;界限;眼界;
??? 情景例句
I see. We'll take a good look at you.
我明白了。我們會好好替你看看。
All are not saints that go to church.
去做禮拜者，未必皆圣人。
Yes?
噢？