mildew

黴、黴斑

There was black mildew growing along the bathroom tiles.

浴室磁磚縫隙長出了黑色的黴斑。

白粉病、黴害植物病害

Powdery mildew ruined most of the grapes this season.

白粉病毀了這一季大部分的葡萄。

發黴、長黴

The towels will mildew if you leave them in the bag.

毛巾如果一直放在袋子裡就會發黴。