名词
中文翻译：超音速的
同义词：
['ultrasonic', 'sonic']
例句：
-
1.The aircraft flew at ultrasonic speeds.
飞机以超音速飞行。
-
2.Ultrasonic waves can travel through solid materials.
超声波可以穿过固体材料。
-
3. Sonic booms are caused by the reflection of sound waves off the surface of the Earth.
声波反射引起声爆现象。