自动电子计时器
/ˌɔːtəmˈatɪk ɪlɛktɹˈɒnɪk ˈtaɪmə/
n
English: automatic electronic timer · 自动电子计时器
English · automatic electronic timerEspañol · cronómetro electrónico automáticoFrançais · chronomètre électronique automatique
释义：Apparatus for automatically registering the swimmer’s finish time; it is activated at the start and stops when the swimmer comes into contact with the wall.