邵斌玄词汇宝典(MP3+文本) 第138期:oxide 氧化物
日期:2015-06-05 11:22

(单词翻译:单击)

oxide 氧化物

Supersonic engines produce unwanted nitrogen oxide and worst yet, because these planes fly at such high altitudes, the exhaust is pumped directly into the stratosphere.

Mega Jets

选自:(Mega Jets)

(本栏目主播为:邵斌玄)

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