duad of [plural noun]
A duad of chromosomes was observed under the microscope.
在显微镜下观察到一对染色体。
一对；双
一对；一双；无序对
two items of the same kind; a pair
一对；一双
A pair or couple.
Dwadasama.
无序对
An unordered pair.
The two paintings form a duad that the gallery shows together.
这两幅画构成一对，画廊把它们放在一起展出。
用法提示：duad 作名词，表示‘一对’，指两幅画组成的配对。
In this dance, dancers move in a duad, always staying side by side.
在这种舞蹈中，舞者成对移动，始终并排。
用法提示：duad 为名词，指‘成对/双人组合’，强调两个一组。
The scientist recorded a duad of identical results from the two experiments.
科学家记录了两次实验得出的一对相同结果。
用法提示：duad 作名词，表示‘一对’，指两个相同的事物。
A duad of chromosomes was observed under the microscope.
在显微镜下观察到一对染色体。
常用于科学或数学语境。
These two elements form a duad in the periodic table.
这两个元素在元素周期表中形成一个对。
grammar · medium
易错句子I bought a duad of shoes.
正确表达I bought a pair of shoes.
用词不当：'duad' 是罕见术语，日常英语中用 'pair' 表示一对物品。
grammar · medium
易错句子They have a duad engine in their car.
正确表达They have a dual engine in their car.
词性混淆：'duad' 是名词，不能用作形容词；应改为形容词 'dual' 表示‘双重的’。
duad 多用于正式或技术语境，duo 更常用于指人或表演者的一对
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