thermosphere
英 [ˈθɜː.mə.sfɪər]
美 [ˈθɝː.moʊ.sfɪr]
- n. 热大气层；热电离层
英语词源
- thermosphere (n.)
- 1924, from thermo- + sphere.
权威例句
- 1. The temperature rises rapidly to between 500 k and 2000 k in the region known as the thermosphere.
- 在称之为“热层”地区域内,温度很快上升到500K与2000K之间.
- 2. When solar activity is high, solar extreme ultraviolet rays warm and expand the thermosphere.
- 当太阳活动剧烈时, 太阳极端的紫外线会加热并使热大气层扩张.
- 3. After the thermosphere is the thermopause, which is the outer most boundary of the thermosphere.
- 热成层之后是热成层顶, 它是热成层的最外边界.