acoustical mass是什么意思？

• begins
• general
• maths
• ticket
• explore
• lycopene
• rice
• 流浪者英文
• committing
• erased
• 缺陷英文
• 队长的英文
• 确认英文
• autumn
• tourist
• reveal
• brat
• organizations
• passage
• neck
• approaches
• fiercely
• amazing
• 领域英语
• default
• 参数英文
• client
• candy
• 导师英文
• vehicle

• modernize
• 旋律的英文
• lake
• sweater
• mind
• 权限英文
• lesson
• 来源英语
• narrow
• banger
• scared
• aspect
• firmness
• 造型的英文
• 抛弃英文
• bombarded
• cloud
• giraffe
• 呼吁英语
• cheese
• permitted
• juice
• passage
• 解决方案英文
• dragon
• ultra
• saturday
• droplets
• algiers
• tomato

• a lame person
• moisturizing
• span with the hand
• In a superior manner
• classlessness
• more talented
• a thousand li
• surface plate
• at a low ebb
• escape school
• liking comfort
• monumental writing
• an apple of discord
• autonomous right
• axle journal
• bridge floor
• onychia periungualis
• sagittatus
• convex angle
• superficialness
• Cana
• braid method
• bring together
• side punch
• palters
• got hold of