[mass noun](formal)study; meditation (正式)刻苦研究;冥思苦想 after sixteen years' lucubration he produced this account. 经过16年的钻研,他推出了这份报告。 ■[count noun](常作 lucubrations)a piece of writing, typically a pedantic or over-elaborate one 学究气的作品;精心撰写的著作
语源
late 16th cent.: from Latin lucubratio(n-), from the verb lucubrare (see lucubrate)