These warm temperatures, which supported plants like Douglas fir and hemlock, lasted until about 2.2 million years ago.

这样温暖的气温令花松和铁杉等植物持续到了约 220 万年前。

Softwoods, you're talking pine, spruce, hemlock, douglas fir, redwoods.

软木，你指的是松木、云杉、铁杉、花松、红木。

We are walking through a forest of western hemlock and Douglas fir.

我们正穿行在西部铁杉和道格拉斯冷杉组成的森林中。

In late June in Willamette Valley, Oregon, where oak and Douglas fir trees dot the state's lush wine country, top temperatures usually hover around 25 degrees Celsius or 77 degrees Fahrenheit.

六月下旬， 在俄勒冈州的威拉， 这里橡树和花松点缀着该州的葡萄酒产区，最高气温通常徘徊在25摄氏度或77华氏度左右。

Flames ravage the thick understory provided by species like Douglas fir, a shade-tolerant tree that's able to thrive under the canopy of lodgepole pines.

火焰肆虐着由道格拉斯冷杉等物种构成的茂密下层植被，这种耐阴树种能在短叶松的树冠下茁壮成长。

I mean, I come from a place where, Pacific Northwest, there's just pine trees, Douglas firs, all sorts of wood everywhere.

我的意思是，我来自太平洋西北地区，那里到处都是松树、花松和各种木材。

It took them just six months to build, using local materials wherever possible, including cedar and douglas fir.

他们仅用了六个月时间就建成了它， 尽可能使用当地材料， 包括雪松和道格拉斯冷杉。

So if you're familiar with fir trees at all, Douglas firs, they're known for their stability and resilience.

所以， 如果你对杉树有所了解，尤其是道格拉斯杉， 它们以其稳定性和韧性著称。

Each Swift had a job, and because she was too small to help hoist the Douglas firs onto car roofs, she was assigned the task of clearing praying mantisObranches.

每个斯威夫都有一份工作，因为她太小了，无法帮忙将花松吊到车顶上，所以她被分配了清理螳螂树枝的任务。