名词排水管; 排水口; 排水槽; 海上龙卷风

1. 水龙卷：水龙卷 (waterspout)是一种偶而出现在温暖水面上空的龙卷风,这张照片则是一幅较清晰的水龙卷影像. 饱含水气快速旋转的气柱状水龙卷,其危险的程度并不亚于龙卷风,内部的风速可超过每小时二百公里. 水龙卷许多水龙卷形成在离雷雨系统很远的地方,

2. 海龙卷：watershed line 地形线 | waterspout 海龙卷 | waterstable aggregate 水稳性团聚体

3. 排水口;槽口;海龙卷：watersourcewell 水源井 | waterspout 排水口;槽口;海龙卷 | waterspraysystem 喷水系统

七彩网·英语单词

noun

1. a channel through which water is discharged (especially one used for drainage from the gutters of a roof)

2. a heavy rain

Synonym: downpourcloudburstdelugetorrentpeltersoaker

3. a tornado passing over water and picking up a column of water and mist