acoustics
n
1 [pl] (also acoustic [sing]) qualities of a room, hall, etc that make it good or bad for carrying sound (房间, 大厅等的)传音效果, 音响效果
The acoustics of this concert hall are excellent. 这个音乐厅的传音效果极好.
2 [sing v] scientific study of sound 声学; 音响学.
No, Jeanne, I wasn't ill. I know I look older than my age now. That's because of hard work-ten years of hard work.
没病,让娜,我没生过病。我知道我看上去比我的年纪要大些,那是因为劳累的缘故--10年的劳累呀!
On our way home that night I looked down and saw that the necklace was not around my neck any more. I told Pierre. We rushed back to the palace and looked for it.We asked everyone there if they had found a necklace, but without luck. We couldn't find it;