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Shell
[ʃel] [ʃel]

  • 壳牌(石油化工公司名)

英英释义

Shell

  • n.
    • ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun
    • the material that forms the hard outer covering of many animals
    • hard outer covering or case of certain organisms such as arthropods and turtles

      同义词: carapace cuticle shield

    • the hard usually fibrous outer layer of some fruits especially nuts
    • the exterior covering of a bird's egg

      同义词: eggshell

    • a rigid covering that envelops an object

      "the satellite is covered with a smooth shell of ice"

    • a very light narrow racing boat

      同义词: racing shell

    • the housing or outer covering of something

      同义词: case casing

    • a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners)

      同义词: plate scale

    • the hard largely calcareous covering of a mollusc
  • v.
    • use explosives on

      "The enemy has been shelling us all day"

      同义词: blast

    • fall out of the pod or husk

      "The corn shelled"

    • hit the pitches of hard and regularly

      "He shelled the pitcher for eight runs in the first inning"

    • look for and collect shells by the seashore
    • come out better in a competition, race, or conflict

      同义词: beat beat out crush trounce vanquish

    • remove from its shell or outer covering

      "shell the legumes"; "shell mussels"

    • remove the husks from

      同义词: husk

以上来源于: WordNet

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  • For example,he created a triangle-shaped walkway of steps that sits inside a rounded concrete shell.

    VOA: special.2009.12.13

  • So the 3 s 1, or any of the other electrons that are in the outer-most shell, those are what we call our valence electrons, and those are where all the excitement happens.

    它们是经常发生激发情况的,那也是我们所看到,我们称之为价电子,它们是经常发生激发情况的。

    麻省理工公开课 - 化学原理课程节选

  • So let's do a quick clicker question, and you tell me how many valence electrons does fluorine have? Remember, valence electrons are different from core, they're only the outer-most electrons in the outer-most shell.

    那么让我们来做一个小选择题,请大家来告诉我,氟有多少个价电子,要记得,价电子与芯电子不同,它们是在最外壳层的最靠外面的电子。

    麻省理工公开课 - 化学原理课程节选

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