refined clay

基本解釋

By mixing refined graphite powder with clay, then heating it, he produced a firm hard lead.
把經(jīng)過精煉的石墨粉末混合以泥土，然后進(jìn)行加熱燒結(jié)，他生產(chǎn)出了牢固而堅(jiān)硬的鉛。
6And the words of the Lord are flawless, like silver refined in a furnace of clay, purified seven times.
耶和華的言語，是純凈的言語。如同銀子在泥爐中煉過七次。
And the words of the Lord are flawless, like silver refined in a furnace of clay, purified seven times. ---PSALMS 12:6
每日靈糧：耶和華的言語，是純凈的言語，如同銀子在泥爐中煉過七次。---詩12：6。
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