"family Aplodontiidae"是英文词语，中文翻译为“山海狸科”。它是哺乳动物纲啮齿目的一科，只有一个属，即山海狸属，现存仅有一个物种，即山海狸。山海狸科生活在美洲西部地区，是一种古老的啮齿动物。
以下为含有“family Aplodontiidae”词语的例句：
1. The family Aplodontiidae is known as the mountain beaver family.
（“family Aplodontiidae”被称为山海狸科。）
2. The mountain beaver, the only living member of the family Aplodontiidae, is a unique and ancient rodent.
（山海狸是山海狸科唯一的现存物种，是一种独特而古老的啮齿动物。）
3. The family Aplodontiidae is considered to be one of the most primitive rodent groups.
（山海狸科被认为是最原始的啮齿动物群之一。）
4. The fossil record of the family Aplodontiidae dates back to the early Miocene.
（山海狸科的化石记录可以追溯到早中新世。）
5. The jaw and skull of the family Aplodontiidae are adapted for gnawing on tough plant material.
（山海狸科的下颌和颅骨适合啃食坚韧的植物材料。）
6. The family Aplodontiidae is one of the few groups of rodents that do not have any close relatives.
（山海狸科是少数没有亲属的啮齿动物群之一。）
7. The only living member of the family Aplodontiidae, the mountain beaver, is considered a rare and little-studied mammal.
（山海狸是山海狸科唯一的现存物种，被认为是一种罕见且研究较少的哺乳动物。）
8. The family Aplodontiidae has a unique dental formula, with only one pair of upper incisors.
（山海狸科有独特的牙齿公式，只有一对上颌门齿。）
9. The family Aplodontiidae is named after the genus Aplodontia, which means "simple-toothed".
（山海狸科的名称取自山海狸属，意为“简单齿”的意思。）
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