什么是 overcast?Covered or obscured, as with clouds or mist.Clouded over.Gloomy; melancholy.Sewn with long, overlying stitches in order to prevent raveling, as the raw edges of fabric.A covering, as of mist or clouds.An arch or support for a passage over another passage in a mine.A cast made in fishing that falls beyond the point intended.An overcast stitch or seam.To make cloudy or gloomy.To cast beyond (the intended point) with a fishing rod.To sew with long, overlying stitches.To become cloudy or gloomy.