I mean, hydroponics isn't really my specialty but from the research I have read, we are talking the nineteenth century, maybe the seventeenth century if you really stretch it.

我是说，水培法并不是我的专长，但是从我读到的研究来看，我们在讲是19世纪，如果你真的延伸一点可能就是17世纪。

youdao

It was the seventeenth century before Newton determined the freezing point of water.

那是17世纪，牛顿确定水的凝固点之前。

《柯林斯英汉双解大词典》

Agriculture and fishing formed the primary sector of the economy in the Netherlands in the seventeenth century.

农业和渔业是17世纪荷兰经济的主要部分。

youdao

Signs on some of the houses say they were built as long ago as the seventeenth century.

VOA: special.2011.07.25

But for Milton's contemporaries in the seventeenth century, Milton's power really wasn't at all aesthetic or even religious in nature.

但在17世纪弥尔顿同时代的人看来，弥尔顿的力量却是毫无美感的，甚至本质上不是宗教上的。

耶鲁公开课 - 弥尔顿课程节选

As early as the late seventeenth century, Milton had already entered what we can think of as the English literary canon.

早在17世纪末，弥尔顿就跻身,我们现在认为是英国文学经典的殿堂。

耶鲁公开课 - 弥尔顿课程节选

The city always had a fairy-tale aspect, but until the seventeenth century its irreality was checked by an appetite for business.

NPR: Book Traces Family Suffering from Deadly Insomnia

An unusual and absorbing new film about North American Indians and a French Jesuit missionary in the early seventeenth century.

NEWYORKER: Black Robe

Not much different than the pirates of the seventeenth century, really, challenging authority in defense of the living treasures of the Enchanted Islands.

NEWYORKER: Neptune��s Navy