美的余韵在这张十六岁的脸上尚存有奄奄一息，正如隆冬拂晓消失在丑恶乌云后面的惨淡朝辉。
The remains of beauty were dying away in that face of sixteen, like the pale sunlight which is extinguished under hideous clouds at dawn on a winter's day.
[3]李伟，陈朝辉，王松。先进推进系统用主动冷却陶瓷基复合材料结构研究进展[J]。材料工程，2012，(11)：92 - 96。
Li W, CHEN Z H, WANG S. Progress of actively cooled ceramic matrix composites applied in advanced propulsion systems [J]. Journal of Materials Engineering, 2012, (11) : 92-96.
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