an American cicada whose nymphs emerge in large numbers periodically in a seventeen-year (or, in the south, a thirteen-year) cycle
周期蝉,晚秀蝉。
n. 周期蝉;晚秀蝉
The nymphs of the periodical cicada have been biding their time.
布鲁德X蝉(一种周期蝉)的若虫为这个机会等待了很长时间。
an American cicada whose nymphs emerge in large numbers periodically in a seventeen-year (or, in the south, a thirteen-year) cycle
周期蝉,晚秀蝉。