adv.明显地,清楚地;简单地;朴素地;平坦地;
例句:
Lunar craters can be plainly seen with the aid of a small telescope.
借助小型望远镜可以看清月球上的环形山.
She was plainly but neatly dressed.
她穿着朴素整洁.
And the future plainly holds many changes.
显然,未来存在许多变数.