sonic造句
He found that the
sonic surface was, in general, discontinuous.
他發現聲速面通常是不連續的.
The new aircraft creates a
sonic boom.
那種新飛機會產生聲震。
He activated the door with the miniature
sonic transmitter.
他用微型聲波發射器開啟了門。
Sonic Lock Loud Alarm deters Laptop Theft!
用強勁聲波警報鎖來阻止你的本本被人偷竊!