Surface oxidation of BIF results in magnetite variably altered to haematite, to a lesser extent limonite/goethite and amphibole altered to limonite/goethite and clay.
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gypsum and clay products 石膏泥制品
sod and clay plow bottom 草皮粘土地犁体
mixed coal and clay 煤 ; 煤泥
Clay Model and Master Model 油土与基准模型 ; 油土及基准模型 ; 油土与基准模子 ; 油土及基准模子
Clays and Clay Minerals 粘土和粘土矿物 ; 粘土与粘土矿物
cat and clay 稻草泥
And Clay Said 克莱说
The basic ingredients are limestone and clay in the proportion 2:1.
基本成分是石灰石和黏土,比例为2:1。
Say--ain't this grease and clay, on your clothes?
喂——这不是油渍和粘土吗?你衣服上。
纽扣和陶土?
The potter holds the clay firmly and guides it while the wheel and clay turn.
VOA: special.2009.09.09
Scholars of the Albright school pointed to texts and clay tablets that were discovered in second millennium sites. So you see down on the bottom the second millennium BCE, obviously going down to 1000; first millennium: 1000 to 0.
亚布莱特学院的学者们指的是,两千多年前的遗址中发现文件和泥板文献,你们看下面,公元前第二个千年,再显然的,往下到一千年;第一个千年是公元前1000年到公元元年。
For example, one thing that could happen is that you build it up with wood and clay, you pick the wrong material for a bridge, and it will not stand up to the forces of nature.
例如,其中的一个问题是,选择了木头和粘土作为造桥的材料,你就选错了材料,这座桥难以与自然力相抗衡
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