sonic造句
He found that the
sonic surface was, in general, discontinuous.
他发现声速面通常是不连续的.
The new aircraft creates a
sonic boom.
那种新飞机会产生声震。
He activated the door with the miniature
sonic transmitter.
他用微型声波发射器开启了门。
Sonic Lock Loud Alarm deters Laptop Theft!
用强劲声波警报锁来阻止你的本本被人偷窃!