The house is in tip-top condition.
这座房子的状况没得挑。
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。
The liquid vaccines they require are often temperamental, needing constant refrigeration and thus what is known as a "cold chain" to keep them in tip-top condition as they move from factory to clinic.
液状疫苗通常非常娇气，需要持续冷藏保存，于是在从工厂到诊所的过程中，疫苗都被保存在低温运输系统中享受一流的待遇。
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