A real tree grows in a forest or on a tree farm.

一棵真正的生长森林里或林里。

His crops fighting challenges like California droughts.

他的林一直与诸如加州的干旱天气等不利因素作斗争。

Most Christmas trees are now grown on farms. The trees take six to ten years to grow.

目前大多数圣诞林种植，它们需要6至10年才能长成。

In southern California, Carl Holloway says he plants about 3,000 trees per year on the farm his father started in 1958.

南加州，卡尔·哈洛威每年其父亲1958年创办的林里种植大约3000棵。

But many people drive to a tree farm and cut their own tree. Some buy one from a catalog or online.

但也有很多人开车到林自己砍。还有人会通过商品目录或网络邮购圣诞。

And so they will abandon an area temporarily, even if it's just an understory or a low-severity fire that doesn't destroy the whole stand.

因此，它们会暂时放弃一个地区，即使那只是林下植被着火或不会摧毁整个林的低强度火灾。

There we discovered strange flowers and ferns, and a prize of a large planting of the finest yams, left behind unharvested by the previous grove owner.

那里，我们发现了奇怪的花朵和蕨类植物， 以及大量种植最好的山药的奖励， 这些山药是前任林主未收割过的。

At her family farm, Pine Valley Christmas Trees in the northeast corner of Maryland, the journey from planting seedlings in these fields to a family's living room is a long one.

她位于马里兰州东北角名为“松谷圣诞”的家庭林里，从田间种植苗到被顾客搬进自家客厅需要经历漫长的过程。

He brings in about half the trees he sells each year, mostly balsam and grand firs from the Pacific northwest where tree crops have also been hit hard by fires and extreme heat.

他每年销售的大概有一半是来自太平洋西北部的香脂和大冷杉，那里的林同样遭受着火灾和酷热天气的重创。

All scenic spots, parks, and forestry farms as well as guesthouses in Beijing were directed to close down, residents were advised to stay indoors and work from home, and schools were ordered to suspend offline classes and outdoor events.

北京市所有景点、公园、林以及宾馆被要求关闭，居民被建议留室内和居家办公，校被要求暂停线下课程和户外活动。