| 词汇 | shipworm |
| 释义 | shipworm noun[ C ] uk /ˈʃɪp.wɜːm/ us /ˈʃɪp.wɜ˞ːm/pluralshipworms or or shipworm(alsoteredo, uk /təˈriː.dəʊ/ us /təˈriː.doʊ/) a type of mollusc(= a type of creature that has a soft body, no spine, and is often covered with a shell) that lives in the sea and that can damage wooden structures by making holes in them: 船蛆 People in coastal towns began noticing that shipworms were eating through their docks.住在沿海小镇的人开始注意到，蛀船虫正在吞噬他们的码头。 Portland Press Herald/GettyImages In 1980 an attack of shipworm on the Barmouth viaduct nearly forced the closure of the Cambrian Coast Line. Why shipworms are suddenly surviving in Maine in places where they haven't before is still an unanswered question. One of the most notorious for the damage it can cause to unprotected wooden boats and piers is the shipworm, Teredo. His ships were reduced to sponges by shipworm and eventually scuttled. Sea creatures abalone amphipod anemone barnacle barrier reef cowrie crab cray crayfish crustacean littleneck clam lobster marron mollusc mussel shellfish shrimp snow crab soft-shell clam squid Examples of shipwormshipworm This was principally because the logs, which were often left for long periods in the water due to the poor and infrequent steamer services, became infested with teredos or shipworms. Gribbles, shipworms and bacteria decompose the wood and gradually turn it into nutrients that are reintroduced to the food web. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Some damaged timbers were found to be infested with shipworms, which required careful removal to ensure they did not spread throughout the hull. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The shipworm lives in waters with oceanic salinity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The bridge supports had been weakened by the marine mollusc teredo navalis (commonly known as shipworm). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The drag from the hull growth cut the speed and the shipworm caused severe hull damage, especially in tropical waters. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its lightweight wood (specific gravity of 0.27) is resistant to termites and shipworms, so is used as timber for structures and outrigger canoes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Shipworms penetrated the copper sheathing at the nail holes, however, making the effort an expensive failure. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Thus, it was also used to sheathe the piles of piers in tropical seas, as a protection against teredo shipworms, and in locomotive tubes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A large log is present in the park, and this is full of tubular shipworm fossils. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The new bridge cost $26,700, not including $362 to remove the shipworm-infested remains of the 1869 wooden bridge. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These poles had been eaten by shipworm. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. What does present a problem is that in order for the silica to be effective against shipworms it needs to dry to some degree in order to harden. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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