| 单词 | small cavity |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔fossa〕A small cavity or depression, as in a bone.窝，凹：骨头中的小窝或凹陷美国传统〔locule〕A small cavity or compartment within an organ or a part of an animal or a plant, as any of the cavities within a plant ovary.小腔：动植物器官或身体部分内的小腔或小室。如植物子房内的众多小室美国传统〔pan〕The small cavity in the lock of a flintlock used to hold powder.火药池：用来装炸药的燧发枪的锁上的小洞美国传统〔pocket〕A small cavity in the earth, especially one containing ore.凹地：地球的小凹穴，尤其含有矿石的凹穴美国传统〔vacuole〕A small cavity in the cytoplasm of a cell, bound by a single membrane and containing water, food, or metabolic waste.空泡，液泡：细胞的胞体浆里的水泡，只有单层的细胞膜，里面有水、食物和新陈代谢作用的废物美国传统〔vesicle〕Geology A small cavity formed in volcanic rock by entrapment of a gas bubble during solidification.【地质学】 气泡：在成石过程中在火山岩中包含气体的一种小洞穴美国传统〔vug〕A small cavity in a rock or vein, often with a mineral lining of different composition from that of the surrounding rock.晶簇：岩石或岩脉中的小空腔，常有从周围岩石的矿物而来的不同组织的矿物内层美国传统 |
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