| 释义 |
日珥rì'ěr太阳表面上红色火焰状的炽热气体,由氢、氦、钙等元素组成。日全食时肉眼能看见,平时要用分光镜才能看见。{solar prominence; red flame-like incandescent gas on the surface of the sun, consisting of hydrogen, helium, calcium and other elements, observable during a total solar eclipse or with the help of a spectroscope} |