单词	pyrheliometry
释义	pyrheliometry noun pyr·​heliometry "+ : a branch of study dealing with the measurement of the heat of the sun's rays Word History Etymology pyrheliometer + -y
随便看	gammadions gammagraph gammagraphic gammarid Gammaridae Gammarus gammas gammate cross gammatia gammation gammations gamme gammed gammelost gammelost cheese gammer gammers gammerstangs gammes Gammexane gammier gammiest gamming gammon gammon iron

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