您要查找的是不是：
- electrochemical dissolved oxygen recorder 电化学溶氧记录仪
- Water contains hydrogen and oxygen. 水含有氢和氧。
- We needed someone to fix the tape recorder. 我们需要有人来修理录音机。
- He bought a new cassette recorder. 他买了一台新的盒式录音机。
- He was enthusing about his new pocket cassette recorder. 他对自己的新袖珍录音机爱不释手。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- He showed me how to use the tape recorder. 他教我如何使用这台卡式录音机。
- John fixed the tape recorder by himself. 约翰靠他自己修理录音机。
- Mars is too dry and poor in oxygen. 火星上面过于干燥，并且缺乏氧气。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- The BBC often plays a record to fill in. 英国广播公司经常在节目空档时播放唱片。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- Cassette recorder is not allowed in the concert. 录音机不准带入音乐会会场。
- The scoundrel's crimes were too numerous to record. 这个歹徒罪行累累，罄竹难书。
- Will you plug in the tape recorder for me? 请你替我把录音机的插头插上好吗?
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- An identification record for a tape or disk file. 磁带或磁盘文件的标识说明记录。
- The oxygen workshop caught fire and set off a chain of explosions. 氧气车间着了火，引起了一连串的爆炸。
- Has it been found out who set the record? 弄没弄清楚这记录是谁创造的？
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
