buzzer

英 [ˈbʌzə(r)]

美 [ˈbʌzər]

n.  蜂鸣器

复数：buzzers　

TOEFL化学

Collins.1 / BNC.22425 / COCA.14075

习惯用语

n.

at the buzzer
• 比赛结束时；游戏结束时
  at the end of a game or period of play
• He missed a three-point attempt at the buzzer.
  终场哨响时，他投三分球未中。

牛津词典

noun

• 蜂鸣器
  an electrical device that produces a buzzing sound as a signal

柯林斯词典

• N-COUNT 蜂鸣器
  Abuzzeris an electrical device that is used to make a buzzing sound for example, to attract someone's attention.
  1. She rang a buzzer at the information desk.
     她按了一下服务台的蜂鸣器。

英英释义

noun

• a signaling device that makes a buzzing sound
• a push button at an outer door that gives a ringing or buzzing signal when pushed
  Synonym:doorbellbell

双语例句

• He could press the buzzer and wake her.
  他可以按蜂音器将她叫醒。
• When she finished, one of three judges hit the buzzer signaling a correct answer, bringing cheers.
  她写完后，三名评委中的一位按下了书写正确的按钮，全场一片欢呼。
• As a substitute for microjet actuator, a buzzer is used to form microjet under water environment.
  用蜂鸣器代替微作动器在水中对微射流的形成及发展进行了定性实验。
• When the buzzer pop, nigga, you stop!
  警种一响你就别动，黑鬼！
• The contraption's buzzer sounds when water levels reach a pre-set level within the device.
  当水位达到这个新发明装置内部预设的位置的时候，它的蜂鸣器就会发出声音。
• There was enough electricity to power a calculator. The teacher also demonstrated with a stopwatch and a buzzer.
  可以给计算器提供足够的电能。老师还用秒表和蜂鸣器做示范。
• At that point, I am out of bed, and no buzzer.
  我的目的达到了：我下了床，没有吵闹声。
• The last buzzer of the day, as far as I am concerned: the end of the shift.
  一天的最后一次（对我来说）汽笛声响了，我该下班了。
• Fortunately, the buzzer of my homemade burglar alarm woke me up.
  那是深夜，幸好我自制的警报器把我吵醒了。
• You have to be quick on the buzzer to win.
  你得快速按蜂鸣器才能赢。