water cycle(the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration. NOED Alexander Demidov)
bicycle crunch(Тренировка мышц кора. Лёжа на полу, попеременное скручивание мышц кора с косанием локтями каждой из колен, во время имитации вращения педалей Vladimir_B)
