Actually, the seeds don't retain the power to germinate for very long.

事实上，种子不能长时间保持发芽的能力。

youdao

I myself find them rather uncomfortable to sit in for very long, but people were used to more discomfort in the past.

我自己也觉得长时间坐着它们很不舒服，但过去人们习惯了更多的不舒服。

youdao

Jack never wanted to stay in one place for very long, so they were always on the move.

杰克从不想在一个地方久留，所以他们总在辗转奔波。

《柯林斯英汉双解大词典》

The boat was so small that no one believed it could stay afloat for very long.

VOA: special.2010.03.06

Because this is something we've been working for very long time.

因为这是我们努力很久的目标。

哈佛公开课 - 幸福课课程节选

They have a very high respect for a criminal Jew, who led some kind of guerilla war and was executed long ago, somewhere in Syria.

他们非常尊敬一名犹太罪犯，他指挥了某种游击战，很久以前被处死了，就在叙利亚某处。

耶鲁公开课 - 新约课程节选

He developed a habit of running away, though never very far, or for very long.

NEWYORKER: Neptune��s Navy

Anyone who thinks they are comfortable in the England 32 won't be there for very long.

BBC: Martin Johnson backs Steve Borthwick for England return

Locals see it once or twice a year, but never for very long.

BBC: Cruising into Gold Rush country