精深用英语怎么说？

精深

例句

• She was a scholarly woman who had specialized in Italian literature at university. 她是个学问精深的女人, 她在大学里读的专业是意大利文学。
• Develop scale and standard butchering and refined and deep processing. 肉类加工突出重点,发展规模化、标准化屠宰和精深加工.
• He commanded profound knowledge of astronomy, mathematics, Confucian classics, calendar calculation, geography, gazetteer, phonology and exegesis. 对天文 、 数学 、 经学 、 历算 、 地理 、 方志 、 音韵、训诂均有精深研究,为乾嘉时代皖派考据大师.
• His erudition was apparently endless. 他的学问显然博大精深。