セシウム原子 時計 ではありませんでした
seshiumugenshitokeidewārimasendeshita
1. It was not a cesium atomic clock.
Noun
#672401
1. It was not a cesium atomic clock.
1. pupil; disciple
1. thermometer
1. alarm clock
2. waking up; keeping oneself awake
3. early-morning treat (traditionally given to children in some parts of Japan); wake-up sweet
1. hedge
1. clock; watch
1. atomic reactor; nuclear reactor
1. wristwatch; watch
1. alarm clock