rat 核心词议:
n. 老鼠(同mouse)
v. 捕(捉)老鼠,灭鼠;背叛
rat 基本解释
n. 大老鼠;似鼠动物;<非正式>鼠辈,卑鄙小人
vi. 捕鼠;<俚>背叛,告密
速记方法
速记技巧
词源词根法
来自中古英语rat,老鼠,来自古英语raet,老鼠,来自Proto-Germanic*ratto,刮,咬,来自PIE*red,刮,咬,词源同rodent,eraser.
知识扩展
单词解说1
rat用作名词时意思是“鼠”,转化为动词意为“捕鼠”,引申可表示“背叛”“告发”“食言”。
单词解说2
rat只用作不及物动词,在口语中常与介词on连用。
近似单词
rot v.(使)腐烂;腐朽
rat 变化形式
复数: rats
第三人称单数: rats
过去式: ratted
过去分词: ratted
现在分词: ratting
易混淆的单词: RatRaTRAT
中文词源:
rat 老鼠
来自中古英语 rat,老鼠,来自古英语 raet,老鼠,来自 Proto-Germanic*ratto,刮,咬,来自 PIE*red, 刮,咬,词源同 rodent,eraser.
rat
精选例句
1、 He held his breath as a rat scuttled past.
见一只老鼠跑过,他屏住了呼吸。
2、 The brown rat has prominent ears and a long scaly tail.
灰鼠长着两只突出的耳朵和一条带鳞片的长尾巴。
1、 Two months before he died, newspapers were reporting that he was working on a ""death ray,"" and that he had ""killed a rat with an intricate device at a distance of three feet.
在他去世前两个月,报纸报道说他正在研究“死亡射线”,还说他在三英尺远的地方用一种复杂的装置杀死了一只老鼠。
1、 They housed eight adult rats with two types of robotic rat—one social and one asocial—for four days.
他们将8只成年老鼠和两种类型的机器老鼠——一种是社会性的,一种是社会性的——关在一起四天。
常见考点例句:
- Even rat research confirms the importance of early nurture .
- 对老鼠的研究也证实了早期培养的重要性。
- They praised rat meat a healthy alternative to rice .
- 官方宣称鼠肉是可以替代大米的健康食品。
- Yes , only a rat puppet beat them out .
- 没错,只有一个老鼠木偶打败过他们。
- The findings are mimicked in rat studies as well .
- 这项调查结果和在老鼠身上的实验结果一致。
- She still hasn 't gotten the rat .
- 她至今还没得到那只老鼠。