他是麻木不仁，自私自利，显然地粗鲁无礼。
你也许会惊讶地发现，事实上，你的伴侣对进行身体接触感到犹豫是因为他或她担心显得过于热心而对你的病痛却显得麻木不仁。
You might be surprised to learn that, in fact, your partner is hesitant about initiating physical contact because he or she is afraid of appearing overeager, and insensitive.
其润滑性能确保所有运动部件完全地作用，同时其良好的粘温行为使液压系统麻木不仁的温度的波动。
Its lubricating properties ensure that all moving parts function perfectly, whilst its good viscosity-temperature behavior makes the hydraulic System insensitive to temperature fluctuations.
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