单词	回声仪
释义	回声仪医echometer
随便看	extremely arid area Extremely arid desert region extremely audacious extremely bored extremely brave extremely careful Extremely careful and diligent work or effort Extremely careful and precise extremely clever in reply Extremely clever or intelligent extremely close approaching construction extremely coarsely crystalline extremely cold Extremely cold extremely cold climate Extremely cold; frosty extremely cold region extremely complex coal bed extremely complexstructure extremely complex structure extremely cool extremely costly extremely critical extremely cruel extremely dangerous