名词
中文翻译：关节的凹陷处
同义词：
['joint depression', "joint cavity例句：1. The doctor examined thepatient's knee and found a dipin the joint.（医生检查了患者的膝盖，发现关节有凹陷。）2. Thescientist discovered a new speciesin the deep ocean by divinginto the joint depression.（科学家在深海中潜水时发现了一种新的物种。）"]
例句：
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1. The doctor examined thepatient's knee and found a dipin the joint.
医生检查了患者的膝盖，发现关节有凹陷。
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2. Thescientist discovered a new speciesin the deep ocean by divinginto the joint depression.
科学家在深海中潜水时发现了一种新的物种。
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3. The oldman had to bend his back to fitthrough the joint depression in the door.
老人不得不弯腰穿过门上的关节凹陷处。