时间: 2025-04-26 08:40:33
美: [ʃɛl]
英: [ʃel]
n. 壳，贝壳；炮弹；外形
vi. 剥落；设定命令行解释器的位置
vt. 剥皮；炮轰
最后更新时间:2025-04-26 08:40:33
词源分析：Shell来源于古英语“scealm”, 意思是“外壳，外部覆盖物”。其词根可以追溯到古德语的“skal”，同样表示“壳”或“覆盖物”。
历史背景：该词在英语中的使用可以追溯到公元前的日耳曼语言。它在早期的文学和自然历史文献中频繁出现。
课本：Shell可能出现在**的英语教材中，例如初中和高中阶段的自然科学课程；在牛津和美国的教材中，通常在中小学的自然科学或环境科学课程中提及。
正式与非正式语境：
特殊场合：
The turtle retreated into its shell when it sensed danger.
（当乌龟感到危险时，它退回到壳里。）
The egg's shell is made of calcium carbonate.
（蛋壳是由碳酸钙组成的。）
Shell companies can be used for legal tax avoidance.
（空壳公司可以用于合法的避税。）
The seashells on the beach were beautifully shaped.
（沙滩上的贝壳形状优美。）
In computer science, a shell is a user interface for accessing an operating system's services.
（在计算机科学中，shell是访问操作系统服务的用户界面。）
同义词：
反义词：
通过以上分析，可以更深入地理解“Shell”这个单词的多方面含义及用法。
[N-COUNT] The shell of a nut or egg is the hard covering which surrounds it. (坚果或蛋的) 壳
例：They cracked the nuts and removed their shells.他们打破坚果并剥掉果壳。
[N-UNCOUNT] Shell is the substance that a shell is made of. 壳料
例：...beads made from ostrich egg shell.…鸵鸟蛋壳做成的珠子。
[N-COUNT] The shell of an animal such as a tortoise, snail, or crab is the hard protective covering that it has around its body or on its back. (动物的) 甲壳
例：...the spiral form of a snail shell.…蜗牛壳的螺旋形状。
[N-COUNT] Shells are hard objects found on beaches. They are usually pink, white, or brown and are the coverings which used to surround small sea creatures. 贝壳
例：I collect shells and interesting seaside items.我收集贝壳以及海边有趣的东西。
[V-T] If you shell nuts, peas, shrimp, or other food, you remove their natural outer covering. 剥…的壳
例：She shelled and ate a few nuts.她剥了一些坚果吃。
[N-COUNT] If someone comes out of their shell, they become more friendly and interested in other people and less quiet, shy, and reserved. 矜持
例：Her normally shy son had come out of his shell.她那平时害羞的儿子已经开始活跃起来了。
[N-COUNT] The shell of a building, boat, car, or other structure is the outside frame of it. 框架
例：...the shells of burned buildings.…被烧毁的建筑物的框架。
[N-COUNT] A shell is a weapon consisting of a metal container filled with explosives that can be fired from a large gun over long distances. 炮弹
例：Tanks fired shells at the house.坦克向那座房子发射炮弹。
[V-T] To shell a place means to fire explosive shells at it. 炮击
例：The rebels shelled the densely-populated suburbs near the port.那些叛乱者炮击了港口附近人口稠密的郊区。
[N-VAR] shelling 炮击
例：Out on the streets, the shelling continued.在外面街道上，炮击在继续。