- 氧空氣
- oxygenize: vt. 【化學(xué)】=oxygenate.
- 'd: 〔口語〕 1.= had: I'd ... = I had .... 2.= did: Where'd ... = Where did .... 3.= should (或 would): He'd ... = He should (或 would). 4.=-ed: foster'd.
- a and d: 入院和出院
- a d: disk]重折光盤; 放棄的; 是一組對(duì)立項(xiàng); 重折光盤,暗帶
- d: D flat 【音樂】降 D 調(diào)。 D major [minor] 【音樂】 D 大調(diào)[小調(diào)]。 D sharp 【音樂】升 D 調(diào)。 a D student 劣等生。 a D slide valve D 形滑閥。 CD = 400. DC = 600.
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