Saprodil
腐殖质煤, 第三系中的腐泥层
🗣️ 情景例句
Everything turned out well.
一切顺利。
Do as the Romans do.
入境要问俗。
They may also have used wood and skins, but these have rotted away.
他们也可能用过木头和兽皮，但这类东西早已腐烂殆尽。