单词：seismic waves
seismic waves的用法和样例：
例句
- When this happens, seismic waves travel faster than usual through the rock.当这种情况发生，震波穿过岩石的移动速度要比往常快。
- It will be shown in Chapter IV that blast waves can easily bend around apparent obstructions.在第四章中将指出爆震波可以很容易绕过明显的障碍物。
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