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- Most intriguing is underwater walking, in which, wearing an oxygen helmet, you meander along the ocean bed among coral and shoals of striped fish. 最引人入胜的是海底漫步，你可以戴着潜水用的氧气头盔漫步在洋底，徜徉在珊瑚和成群的条纹鱼中间。
- An oxygen mask will come down from overhead in case of an emergency. 若发生紧急情况，头顶上会降下一只氧气面罩。
- Most intriguing is underwater walking, in which, wearing an oxygen helmet, you meander along the ocean bed among coral and shoals of striped fish 最引人入胜的是海底漫步，你可以戴着潜水用的氧气头盔漫步在洋底，徜徉在珊瑚和成群的条纹鱼中间。
- They placed the child in an oxygen tent when he had difficulty in breathing. 那孩子呼吸困难时，他们把他放进氧幕里。
- A polymer in which the repeating unit contains two carbon atoms linked by an oxygen atom. 聚醚一种聚合物，其中重复性的单位含有由一个氧原子连结的两个碳原子
- An oxygen gas molecule consists of two oxygen atoms. 一个氧气分子由2个氧原子构成。
- An oxygen mask will come down from overhead in case of emergency. 如果发生紧急情况，头顶上会放下一只氧气面罩。
- An oxygen mask will come down from overhead in caseof an emergency. 若发生紧急情况,头顶上会降下一只氧气面罩。
- The car with its whirring air conditioning was like an oxygen mask. 配备了高功率空调的汽车就像一个氧气面罩。
- There is an oxygen cylinder in the sickroom in case. 病房里有一个氧气瓶，以防万一。
- An oxygen mask will come down from overhead in case of an emergency . 若发生紧急情况，头顶上会降下一只氧气面罩。
- Passengers who have severe altitude illness should ask for an oxygen mask. 高原反应比较严重的旅客也可以使用吸氧面罩。
- They placed the child in an oxygen tent when he have difficulty in breathing. 那孩子呼吸困难时, 他们把他放进氧幕里。
- An oxygen mask will come down from the overhead in case of an emergency. 若发生紧急情况，头顶上会放下一只氧气面罩。
- A total of four such bonds must be broken to create an oxygen molecule (O2). 要打断四个这样的键结，才能产生一个氧分子（O2）；
- A new chlorate cell system with a DSA anode and an oxygen cathode was set up. 利用氧阴极与DSA阳极组装成一种新型氯酸盐电解槽。
- Aerotaxis (aerotactic movement) A TAXIS in response to an oxygen concentration gradient. 趋氧性:一种对氧浓度梯度产生回应的排序。
- And if the mountain is very high,you have to have an oxygen container or cylinder for easier breathing. 如果山很高，你得带上氧气罐以便缓解呼吸困难。
- Any of a class of organic compounds in which two hydrocarbon groups are linked by an oxygen atom. 醚,乙醚一类有机化合物,它们以一个氧原子与两个包含在中的碳原子相连接为特征。
- And if the mountain is very high, you have to have an oxygen container or cylinder for easier breathing. 如果山很高，你得带上氧气罐以便缓解呼吸困难。
