1
a [adj] rodent
rodent 作可数名词，单数前需加冠词。
A tiny rodent scurried across the kitchen floor.
一只极小的啮齿动物从厨房地板上窜过。
啮齿动物
先理解核心含义，再看它在真实句子里的用法。
啮齿动物
a small mammal with long, sharp front teeth that keep growing and are used for gnawing
A tiny rodent scurried across the kitchen floor.
一只极小的啮齿动物从厨房地板上窜过。
A mammal of the order Rodentia, characterized by long incisors that grow continuously and are worn down by gnawing.
小型胎盘哺乳动物,有一对不断生长的门齿,专门用于啃咬
relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing
A squirrel is a small rodent that often gathers nuts in autumn.
松鼠是一种小型啮齿动物，常在秋天收集坚果。
The farmer set traps to keep rodents out of the grain storage.
农民设下捕鼠器，防止啮齿动物进入粮仓。
Rats and mice are rodents with sharp front teeth that never stop growing.
大鼠和小鼠都是啮齿动物，它们的前牙尖利且不断生长。
rodent 作可数名词，单数前需加冠词。
A tiny rodent scurried across the kitchen floor.
一只极小的啮齿动物从厨房地板上窜过。
名词复数形式表示类别总称，后接 such as 举例子。
Rodents such as mice and squirrels are common in parks.
像老鼠和松鼠这样的啮齿动物在公园里很常见。
rodent 作形容词，意为“啮齿类的”，放在名词前作定语。
Rodent species are found on every continent except Antarctica.
除南极洲外，每个大陆都有啮齿类物种。
Not this
I saw rodent in the garden.
Use this
I saw a rodent in the garden.
rodent 是可数名词单数，前边需要加冠词 a/an 或 the。中文没有冠词，所以学习者容易漏掉。
Not this
There are many rodent in the garden.
Use this
There are many rodents in the garden.
many 后接可数名词复数，rodent 的复数是 rodents。中文名词没有复数变化，所以学习者容易忘记加 -s。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
啮齿动物防治
The city launched a rodent control program in the subway.
该市在地铁中启动了啮齿动物防治计划。
啮齿动物侵扰
The old warehouse had a serious rodent infestation.
旧仓库鼠患严重。
小型啮齿动物
Many small rodents are active at night.
许多小型啮齿动物在夜间活动。
啮齿动物物种
This forest is home to several rare rodent species.
这片森林栖息着几种珍稀的啮齿动物物种。
鼠饵
The farmer placed rodent bait around the grain storage.
农民在粮仓周围放置了鼠饵。
啮齿动物造成的损害
Rodent damage to cables can cause power outages.
啮齿动物对电缆的破坏可能导致停电。
异常巨大的啮齿动物？我觉得它们并不存在。
In the 1987 film The Princess Bride, Westley says this sarcastic line just before a giant rodent attacks him in the Fire Swamp.
在1987年电影《公主新娘》中，韦斯利讽刺地说了这句话，紧接着一只巨大的啮齿动物就在火沼泽里袭击了他。
Use rodent naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 rodent 拆成 rod+ent，想象老鼠抱着木棍（rod）啃，啮齿动物门牙不断长，靠啃咬磨牙。
语域：neutral 常见场景：日常对话、科普文章、生物学文献 rodent 作名词时是中性常用词，日常聊到老鼠、松鼠等动物时会出现，正式科研文章里也通用；语气不俚俗，也不显生硬。
没有常见的与 /ˈroʊdənt/ 押韵的词。accident、resident、president 彼此押韵（结尾 /ɪdənt/），trident 读 /ˈtraɪdənt/，dent 读 /dɛnt/，它们都与 rodent 的 /roʊdənt/ 不同。rod 的前三个字母虽相同，但读音为 /rɑːd/，也不是 /roʊ/。
Dictionary facts from ECDICT, WIKTIONARY.