Sterad
球面(角)度, 立体角度的单位
🗣️ 情景例句
It's Linda from the animal shelter.
是动物收容所的Linda。
Her life was devoted to caring for the sick and needy.
她一生致力于照顾病人和穷人。
Such administrative overheads in a business are analogous to the cost of government in a nation.
一家企业的这种行政管理开支类似于一个国家的政府管理所用的开支。