《umbral》怎以读
英 ['ʌmbrəl]
美 ['ʌmbrəl]
《umbral》是什么意思
有荫影的，阴暗的；
英英释义
Umbral
- Umbral is derived from the Latin umbra, meaning "shadow". It is also the Spanish word for "threshold", and sometimes used as a surname in that language.
以上来源于:Wikipedia
学习《umbral》怎么用
权威例句
Umbral MoonshineUmbral moonshine and the Niemeier latticesUmbral oscillations as resonant modes of magneto-atmospheric wavesApplications of umbral algebra to some special polynomialsMore on the umbral calculus, with emphasis on the q-umbral calculusUmbral Fine Structures in Sunspots Observed with Hinode Solar Optical TelescopeSelecciones nacionales, el umbral de la independenciaTemporal Changes in Sunspot Umbral Magnetic Fields and TemperaturesUmbral oscillations in sunspots: Absorption of p-modes and active region heating by mode conversionLa Generalitat eleva el umbral de las licencias comerciales de 800 a 1.300 metros