英语词汇D region的读音、翻译及短语词组释义-英汉双解词典-求索网

单词	D region
释义	D region D region n.（名词）The region of the ionosphere about 40 to 65 kilometers (25 to 40 miles) above the earth.D区：电离层中处于地球表面以上40至65公里(25至40英里）的部分
随便看	pulmonary pleurisy pulmonary pulse pulmonary reflex pulmonary resonance pulmonary respiration pulmonary ridge pulmonary siderosis pulmonary sinuses pulmonary sound pulmonary stenosis pulmonary sulcus tumor pulmonary thrombosis pulmonary transpiration pulmonary tuberculosis pulmonary valves pulmonary vein pulmonary vesicle Pulmonata pulmonate pulmonectomy pulmonic pulmonic accentuated pulmonic endocarditis pulmonic regurgitation pulmonitis

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