词组、短语、俚语及习惯用语 • beetle calender 捶打轧光机[轮压机]。 • beetle crushers 大平脚,大脚掌。 • beetle off 匆忙离开,赶快去。 • beetle stone 龟背石。 • water absorber 吸水器,吸湿器。吸水剂,吸潮剂。 • water absorption 吸水性[率]。 • water absorption power 吸水能力。 • water acrobatics 水上杂技。 • water aeration kinetics 水曝气动力学。 • water affinity 润湿性。亲水性。
water beetle
water-beetle的词性： n.（名词）
1. Any of various aquatic beetles, especially of the family Dytiscidae, having a smooth oval body and flattened and fringed hind legs adapted for swimming. 水生甲虫：各种水生甲虫之任一种，尤指龙虱科生有平扁卵圆之身体和适于游泳的扁平带缘毛的后腿
