compression vibrationcompressional vibrationcompressionalvibration压缩: compress; condense; reduce; ...振动: vibrate; vibration; vibrance ...伸缩振动: stretching vibration压缩振荡: compre ional oscillation; compressional oscillation对称伸缩振动: symmetric elastic vibration; symmetrical stretching vibration下载手机词典可随时随地查词查翻译