形容词
中文翻译：空心的
同义词：
['empty', 'hollow', 'void']
例句：
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1.The tree is hollow, so it can't support the weight of the branches.
这棵树是空心的，所以它不能支撑树枝的重量。
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2. The house was hollow,and I could hear the sound ofmy own footsteps echoing inside.
这所房子是空心的，我能听到自己脚步声在内部回响。
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3. Theold man felt hollow inside, as ifhe had lost his purpose in life.
老人内心感到空虚，好像他在生活中失去了目标。