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	ultra-rare ultra-wide ultrabasic ultrabasics ultrabright ultracareful ultracasual ultracautious ultracentrifugal ultracentrifugally ultracentrifugation ultracentrifugations ultracentrifuge ultracentrifuged ultracentrifuges ultracentrifuging ultracheap ultrachic ultracivilized ultraclean ultracold ultracommercial ultracompact ultracompetent ultracompetitive

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。