back swimmerの例文
- Peirsol, one of the most laid-back swimmers here and a Southern California native, is a crowd favorite.
- They are similar to " Notonecta glauca ", the water boatman or back swimmer by appearance, although these lesser waterboatman are herbivores and swim on their fronts.
- The abundance of invertebrates such as gnat larvae ( chironomids ) and back swimmers ( Trichocorixa ) are fed upon extensively by the huge shorebird and waterfowl populations that utilize the lake.
- They are not related to " Notonecta glauca ", the water boatman or back swimmer, nor to the European " Micronecta scholtzi ", also known as the " lesser water boatman ".
- Long lasting air layers also occur in aquatic arthropods which breathe via a physical gill ( plastron ) e . g . the water spider ( " Argyroneta " ) and the saucer bug ( " Aphelocheirus " ) Air layers are presumably also conductive to the reduction of friction in fast moving animals under water, as is the case for the back swimmer " Notonecta ".
