Definition of backswimmer in English:

backswimmer

nounˈbakswɪməˈbakˌswimər

another term for water boatman (sense 1 of the noun)
Example sentencesExamples
- Holding its pale back away from the sunlight makes the backswimmer harder for predators to spot.
- Adult and larval backswimmers eat smaller animals in the water including bloodworms and aquatic larvae.
- These fairy shrimps and backswimmers constitute the majority of the macroinvertebrates captured in these ponds.
- From time to time the backswimmer will surface to empty and refill these chambers with a fresh supply of air.
- She pointed out damselfly larva, water beetles, tadpoles, backswimmers, dragon fly larva and snails as they circled around in our tiny sample of the marsh.

Definition of backswimmer in US English:

backswimmer

nounˈbakˌswimər

A predatory aquatic bug that swims on its back using its long back legs as oars. It is able to capture large prey such as tadpoles and fish.
仰泳蝽，松藻虫。参见WATER BOATMAN
Family Notonectidae, suborder Heteroptera: Notonecta and other genera
See also water boatman
Example sentencesExamples
- Holding its pale back away from the sunlight makes the backswimmer harder for predators to spot.
- She pointed out damselfly larva, water beetles, tadpoles, backswimmers, dragon fly larva and snails as they circled around in our tiny sample of the marsh.
- From time to time the backswimmer will surface to empty and refill these chambers with a fresh supply of air.
- Adult and larval backswimmers eat smaller animals in the water including bloodworms and aquatic larvae.
- These fairy shrimps and backswimmers constitute the majority of the macroinvertebrates captured in these ponds.

单词	backswimmer
释义	Definition of backswimmer in English: backswimmer nounˈbakswɪməˈbakˌswimər another term for water boatman (sense 1 of the noun) Example sentencesExamples Holding its pale back away from the sunlight makes the backswimmer harder for predators to spot. Adult and larval backswimmers eat smaller animals in the water including bloodworms and aquatic larvae. These fairy shrimps and backswimmers constitute the majority of the macroinvertebrates captured in these ponds. From time to time the backswimmer will surface to empty and refill these chambers with a fresh supply of air. She pointed out damselfly larva, water beetles, tadpoles, backswimmers, dragon fly larva and snails as they circled around in our tiny sample of the marsh. Definition of backswimmer in US English: backswimmer nounˈbakˌswimər A predatory aquatic bug that swims on its back using its long back legs as oars. It is able to capture large prey such as tadpoles and fish. 仰泳蝽，松藻虫。参见WATER BOATMAN Family Notonectidae, suborder Heteroptera: Notonecta and other genera See also water boatman Example sentencesExamples Holding its pale back away from the sunlight makes the backswimmer harder for predators to spot. She pointed out damselfly larva, water beetles, tadpoles, backswimmers, dragon fly larva and snails as they circled around in our tiny sample of the marsh. From time to time the backswimmer will surface to empty and refill these chambers with a fresh supply of air. Adult and larval backswimmers eat smaller animals in the water including bloodworms and aquatic larvae. These fairy shrimps and backswimmers constitute the majority of the macroinvertebrates captured in these ponds.
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