tautological
形容詞
定義 tautological 形容詞
Using redundant words or phrases that express the same idea, often unintentionally.
同义反复的；语义重复的
The phrase "free gift" is tautological, as a gift is supposed to be free.
“免费礼物”这个短语是同义反复，因为礼物本应是免费的。
Describing something as 'completely round' is tautological because roundness itself implies completeness.
描述某物为“完全圆形”是同义反复，因为圆形本身已暗示了完整。
'To witness firsthand' is tautological, as witnessing implies direct observation.
“亲眼目睹”是同义反复，因为目睹已暗示了直接观察。
In logic, relating to a statement that is always true by its own form.
（逻辑学上的）同义反复的
The statement 'all bachelors are unmarried' is tautological because a bachelor is defined as an unmarried man.
陈述『所有单身汉都未婚』是必然成立的，因为单身汉的定义就是未婚男性。
In logic, 'if A then A' is an example of a tautology because it's always true.
在逻辑学中，『如果A则A』是必然成立的例子，因为它总是为真。
'This shape is either a square or it is not a square' is a logical tautology.
『这个形状要么是正方形，要么不是正方形』是一个逻辑上的必然陈述。