1.
any of various aquatic plants of the genus Wolffia; throughout warmer regions of the world.
无根萍属的几种小的水生植物中的任何一种；生长在世界上的任何温暖地区。
2.
Any of various small, free-floating, stemless aquatic flowering plants of the genus Lemna.
浮萍一种浮萍科小而无根，自由浮动的水生开花植物
3.
Have we not been reminded often enough not to be rootless floating weeds?
不要做无根的浮萍，这话我们听得还少吗？
4.
We must therefore constantly strengthen our traditional values and virtues of various ethnic communities and avoid becoming“ rootless duckweeds”.
因此，我们必须不断地加强和巩固各族群的传统价值观和美德，以避免成为“无根的浮萍”。
5.
Toxicological Study of Cadmium、Chromium and Acetochlor on Spirodela Oligorrhiza;
Cd～（2+）、Cr～（6+）和乙草胺对少根紫萍的毒理学研究
6.
Deng Yaping, the legendary player, proved invisible in Barcelona.
邓亚萍是传奇式人物，她在巴塞罗那战无不胜。
7.
Plants like duckweeds float on the surface of still and slow-moving waters, while those with roots and flexible stems can stand in swift-flowing streams.
从漂浮在静止或者缓慢流动的水面上的浮萍，到位于激之流中的长着根和柔软茎的植物。
8.
Comparative Studies on the Tolerance of Spirodela Polyrrhiza and Lemna Minor to Cu Stress;
紫背萍与青萍对Cu耐性的比较研究
9.
The Modern Gentry and Colliery of Pingxiang;
近代萍乡士绅与萍乡煤矿（1890—1928）
10.
a nation cannot exist without industry and agriculture, and money and commodities can not circulate without commerce and trade.
一个国家，无工无农无根本;无商无贸无流通。
11.
groundless anxiety, rumours, allegations
无理由的焦虑、 无根据的谣言、 无根据的供述
12.
baseless gossip; the allegations proved groundless; idle fears; unfounded suspicions; unwarranted jealousy.
无根据的闲谈；断言被证明是无根据的；无谓的恐惧；无根据的怀疑；无根据的嫉妒。
13.
The time came for my departure from Tahiti. According to the gracious custom of island, presents were given me by the persons with whom I had been thrown in contact
我离开塔希提的日子已经到了，根据岛上好客的习惯，凡是与我萍水相逢结识的人都送我一些礼物。
14.
Lacking substance, value, or basis.
无实质的，无价值的，无根据的
15.
I was a fisherman's float.
我是垂钓者的浮萍。
16.
an inextirpable disease
一种无法根除的疾病
17.
Her fears were groundless.
她的担心是毫无根据的。
18.
The charge was quite unfounded.
这指控是毫无根据的。