Klangfilm
有聲影片
??? 情景例句
To advertise during prime time TV is very expensive.
在電視的黃金時段買廣告是很貴的。
It seems he's lucky.
看起來他好像很幸運。
If explosives are used, vibrations will cause the roof of the mine to collapse.
如果用炸藥爆破，震動會引起礦頂塌落。