Bacterial contamination of medical devices is a particular problem, as those devices are then used on people whose immune systems may be in less than tip-top condition.
由于医疗器械通常用于免疫系统处于非最佳状态的人，所以它们受细菌污染的问题就显得尤为突出。
And to withstand the force of high-G movements, he must also be in top physical condition.
而且为了承受高度超重力运动所产生的力，他的身体状况也必须是一流的。
If you look after your scalp, I promise you that your hair will be much easier to keep in tip top condition.
如果你好好护理头皮，我保证你的头发将更加容易保持顶尖状态。
If you look after your scalp, I promise you that your hair will be much easier to keep in tip top condition.
如果你好好护理头皮，我保证你的头发将更加容易保持顶尖状态。
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