It is a sticky colorless film that coats the teeth.

它是一种覆盖在牙齿上的粘性无色薄膜。

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Scott's film was initially pitched as "Jaws in space" and Giger's alien features the requisite razor-blade teeth and unreadable, implacable air.

斯科特的《异形》最初被称作是“太空中的《大白鲨》”，而吉格创造的异形也以刀片般锋利的牙齿和神秘无情的形象著称。

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Plaque is the sticky film of bacteria that forms on the teeth and produces acids which dissolve the tooth enamel.

牙垢膜是由牙齿表面细菌形成的黏膜，会制造酸性物质并侵蚀珐琅质。

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The 12ft long creature, similar to the Velociraptor created for the film Jurassic Park, was equipped with murderous claws, razor sharp teeth and unusually long hindlegs.

BBC: News | Sci/Tech | New dinosaur discovered in England