This system can set up acoustical resonances.这种系统能产生共鸣.The relevance of acoustical principles is by no means limited to sound and hearing.声学原理并不仅仅适用于声音和听觉.Vowels have something to do with glottal closure, therefore influ...
The Ivory Coast became the world's leading cocoa producer.象牙海岸成为世界上可可粉的主要产地。My wife was tucked up in bed with her cup of cocoa.我老婆端着一杯热可可窝在床上。They are con-trolling so much cocoa that they are virtually monopolizing ...