Water usually freezes when the temperature is _____ zero and ice changes into water again when thetemperature rises_____zero.为什么是below；above?under和over分别与它们有什么区别
问题描述：
Water usually freezes when the temperature is _____ zero and ice changes into water again when the
temperature rises_____zero.
为什么是below；above?
under和over分别与它们有什么区别
答