1.When the fishing line on the movable rod is pulled by a fish, the small bells emit sound to remind people who fish that the fish is hooked.
当鱼拉动活动杆上的鱼线时，小铃铛响起，提醒钓鱼者鱼已上钩。
2.At a cost of up to $30, 000 they can emit sound at 150-plus decibels (like a roaring jet engine at close range).
这些声音爆破机可以发出150多分贝的声音（好比近距离范围内有台轰鸣的喷气发动机），发射所耗费用高达30,000美元。
3.Torpedoes can still be tricked, in many cases, with decoys that emit sound waves to mimic ships.
对付鱼雷仍然可以使用欺骗手法，多数情况下是发射能够模仿船只声波的诱饵。
4.To examine (a body organ or part) by causing to emit sound; auscultate.
听诊，听验通过使发出声音而检查（身体器官或部分）；听诊
5.For example, the bell has the ability to emit sound however, it often keeps silent.
比如，钟本身含有发声的能力，可是平时它是沉寂的。
6.In the -C language uses the PC loudspeaker to emit sound - the inpidual performance management (graph menu)
C语言中使用PC喇叭发声-个人成绩管理（图形菜单）
7.To emit sound or be sounded in performance:
演奏中发出声音或被奏出声音：
8.To emit sound when struck:
敲击发出响声：