名词
中文翻译：沙箱
同义词：
['safety box', 'sandbox例句：1. The children were playing in the sandbox by the beach.（孩子们在沙滩上的沙箱里玩耍。）']
例句：
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1. The children were playing in the sandbox by the beach.
孩子们在沙滩上的沙箱里玩耍。
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2.The scientist used a sandbox to test his hypothesis.
科学家使用一个沙箱来测试他的假设。
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3. The engineer was working on a project in a sandbox.
工程师在一个沙箱里工作着一个项目。