When humans started draining the natural topsoil, and ploughing it up for planting, they exposed the buried carbon to oxygen.
当人类耗尽自然表层土并开始为了耕种而犁田时,他们就把土壤中掩藏的碳质暴露在了氧气中。
单词 | ploughing up |
例句 |
原声例句
剑桥雅思听力全真试题 11 When humans started draining the natural topsoil, and ploughing it up for planting, they exposed the buried carbon to oxygen. 当人类耗尽自然表层土并开始为了耕种而犁田时,他们就把土壤中掩藏的碳质暴露在了氧气中。 天使不敢涉足的地方 She was too late; for, just before she regained the road, the thing swept past her, thunderous, ploughing up choking clouds of moonlit dust. 她来不及了;因为,就在她重新上路之前,那东西从她身边掠过,发出雷鸣般的声音,掀起月光下令人窒息的尘土云。 |
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