sea shell
collocation海贝壳
She collected colorful sea shells on the beach.
她在沙滩上收集了五颜六色的海贝壳。
（动物等的）壳；甲壳
先理解核心含义，再看它在真实句子里的用法。
（动物等的）壳；甲壳
The hard outer covering of an animal such as a turtle, snail, or crab.
The turtle pulled its head inside its shell when I got close.
我一靠近，乌龟就把头缩回了壳里。
动物的坚硬外壳
A hard external covering of an animal.
由金属弹壳、炸药和弹头组成的弹药,用大型火炮发射。
ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun
鸟蛋的坚硬钙质外壳
The hard calcareous covering of a bird egg.
构成许多动物坚硬外壳的物质。
the material that forms the hard outer covering of many animals
We found a pretty shell on the beach and put it in our bag.
我们在沙滩上捡了一个漂亮的贝壳，放进了包里。
Many sea animals use shells to protect their soft bodies.
许多海洋动物用壳来保护自己柔软的身体。
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海贝壳
She collected colorful sea shells on the beach.
她在沙滩上收集了五颜六色的海贝壳。
龟甲
The turtle retreated into its shell for protection.
乌龟缩进壳里以保护自己。
蛋壳
Be careful not to crush the egg shell when peeling it.
剥蛋壳时小心别把它弄碎。
坚果壳
He used a nutcracker to break the hard nut shell.
他用坚果钳敲开了坚硬的坚果壳。
炮弹
The soldiers loaded the artillery shell into the cannon.
士兵们将炮弹装进大炮。
弹壳
Police found several shell casings at the crime scene.
警方在犯罪现场发现了几个弹壳。
不再害羞，变得开朗
She finally came out of her shell and started talking to people at the party.
她终于不再害羞，开始在聚会上与人交谈。
变得害羞或不愿与人交流
He tends to go into his shell when he's criticized.
他受到批评时往往会变得沉默寡言。
骗局，诡计
The investment turned out to be a shell game, and they lost all their money.
那项投资原来是个骗局，他们赔光了所有的钱。
半壳英雄！忍者神龟力量！
The Teenage Mutant Ninja Turtles are famous for being heroes in a half shell.
《忍者神龟》以半壳英雄而闻名。
你需要走出你的壳。
Her friends encouraged her to come out of her shell and be more outgoing.
她的朋友鼓励她走出自己的壳，变得更加外向。
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壳（shell）像乌龟背上的房子，又像炮弹的铁衣。
语域混合：日常用语（如贝壳、外壳）、军事用语（如炮弹）、工业用语（如金属护套）。典型语境：生物学、烹饪、军事、工程。
All listed words rhyme with 'shell' (stressed vowel /ɛ/ followed by /l/). None of these are lookalikes that sound different.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.