dayfly
US /ˈdeɪflaɪ/
UK /ˈdeɪ.flaɪ/
名词
蜉蝣
an insect of the order Ephemeroptera, typically having a short adult life and aquatic larvae.
示例:
•
The river was teeming with dayflies, a sign of good water quality.
河里到处都是蜉蝣，这是水质良好的标志。
•
The adult dayfly lives for only a very short period, often less than 24 hours.
成年蜉蝣的寿命非常短，通常不到24小时。
同义词: