- Then, after a few months, the days begin to shorten again
几个月后,白昼又开始缩短
- and the trees must shut down and shed their leaves in preparation for the cold dark time ahead.
树木开始减缓代谢,树叶开始凋零, 以准备迎接寒冬的到来
- Great tracts of North America flush red as the season progresses.
随着季节的变换 北美的大片地域万山红遍,层林尽染
- The effect is so spectacular and so extensive
这种壮观的景象发生的地域之广
- that it can be seen from space.
甚至可以在太空中看到
- The threat of winter frost is not the only reason for trees to shed leaves.
寒冬的威胁不是树木落叶的唯一原因
- These forests stand in the tropics.
这片森林在热带地区
来自《行星地球 第一季 第十集 Planet Earth S01E10 季节森林》第 229 行