Barium is found in some oilfield brines in concentrations greater than 100 mg / litre.在有些油田卤水中,钡的浓度大于100毫克/升.At lower concentrations they may even be stimulants of cell division.在浓度较低时,它们甚至能促进细胞分裂.Methods Three different...
洗桑拿浴如果方法不当会有危险，浴前切忌饱食。Saunas can be hazardous if misused. Avoid a big meal beforehand.我今天早晨去洗了个桑拿浴, 现在觉得很舒坦.I had a sauna this morning, so now I feel really relaxed.桑拿浴的确很热.It was really hot in the sauna....
Designing silicon chips to mimic human organs sounds fanciful.设计硅芯片模仿人的器官听上去是异想天开。Mike is responsible for designing the entire project.迈克负责设计全部工程。Designing colleagues stopped them from promoting me.有些别有用心的同事阻止他们提拔我....