您要查找的是不是：
- Joan of Arc was one of France's greatest daughters. 圣女贞德是法国最伟大的女性之一。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Joan of Arc was burnt (alive) at the stake. 圣女贞德在火刑柱上被(活活)烧死。
- Joan of Arc was made a saint in 1920. 1920年，贞德被追封为圣女。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- The sun appears to move in an arc across the sky. 太阳看起来在天空以弧线运行。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Joan of Arc led a large army to raise the siege of Orleans in1429. 贞德在1429年率大军解除了英军对奥尔良的围攻。
- The stick of carbon is often used in an electric arc lamp. 碳精棒常用于电弧灯。
- nitrogen arc welding 氮弧焊
- nitrogen arc 氮弧
- The iron rod supporting the valances was bent in an arc. 挂窗帘上部短幔的铁棍弯成了个弓形。
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- Arc strikes outside of the welds were avoided. 焊缝外要避免电弧穿刺。
- The curve ball is also called arc line ball. 曲球打法又叫弧线球。
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
- The iron rod support the valance is bend in an arc. 挂窗帘上部短幔的铁棍弯成了个弓形。
- Sample gas tubes are flushed with nitrogen. 采气管得用氮气吹扫。
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
