| 单词 | after heating |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔colcothar〕A brownish-red ferric oxide obtained as a residue after heating ferrous sulfate, used in glass polishing and as a pigment.褐红色铁氧化物：由硫酸亚铁加热后所得的褐红色的氧化铁，作玻璃抛光和颜料之用美国传统 |
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