Pardon my ignorance, but what is a 'duplex'?

请原谅我无知，duplex是什么呢？

《牛津词典》

youdao

What is a reasonable standard for one family is not applicable for another.

对一个家庭合理的标准对于另一个家庭并不适用。

《柯林斯英汉双解大词典》

"Neither of us will let it get in the way of the strength of what is a fundamentally important relationship between Australia and Japan."

VOA: standard.2010.02.20

Somebody says, "What is a mare?" "Well, it's a female horse." "Well, it's a female horse" is the metalingual function.

有人问“什么是母马“，“母马就是雌性的马“,“母马就是雌性的马“这句话就是元语功能。

耶鲁公开课 - 文学理论导论课程节选

What is a Little Magazine? Well, very often they were big They were little because their circulation was small.

那么小杂志是什么？，其实它们大多是比较大型的,之所以说它们“小“是因为发行量。

耶鲁公开课 - 现代诗歌课程节选

What is a boon to us consumers is a death knell for computer companies.

FORBES: Malone's musing

The decision also leaves open the question of what is a penalty, Fahy told me.

FORBES: Supreme Court Clips SEC's Wings In Gabelli Case; Defense Loses In Amgen

The difference comes in in regard to the interpretation of what is a false negative.

NPR: Do Home Lead-Testing Kits Work?