1. Die cast aluminum housing, Silastic ring, Tempered glass. 铝压铸外壳，硅橡胶密封圈，钢化玻璃。
2. This allows the ear nerve to be tempered, low-frequency noise damage, there is a certain subduction. 这样可以让耳朵的神经得到锻炼，对低频噪音的伤害，有一定的消减作用。
3. In spite of the fact that arduous conditions tempered a lot of talents, the most important factor is people, not condition. 尽管艰苦的条件下调制出了大量的人才是事实，但最重要的因素是人，而不是环境。
英英解释
adj.
1. made hard or flexible or resilient especially by heat treatment
2. adjusted or attuned by adding a counterbalancing element
