I'm Carl Azuz. Think about the ground covered by a football field.

我是卡尔·阿祖兹。想想一个足球场大小的地面。

They practice on rubber ground covers placed in the shape of a boxing ring.

他们在拳击台形状的橡胶地面上练习。

Gardeners, he said, should not be too worried about ground cover that grows naturally.

他说，园丁不应该太担心自然生长的地被植物。

A seed was still lying down in the bulb under the ground covered with snow.

一颗种子静静地躺在被冰雪覆盖根茎旁。

Pine straw can be used instead of wood pieces or bark as a ground cover.

松木秸秆可以代替木片或树皮作为地被物。

It is literally spreading all over and has become, in fact, much more than a ground cover.

它实际上正在蔓延，事实上，已经不仅仅是一种地面覆盖物。

More now from CNN's international correspondent Jomana Karadsheh who's on the ground covering the latest across Iran.

CNN国际记者Jomana Karadsheh在伊朗为我们带来最新报道。

Gardeners, he said, should not be too worried about ground cover that grows naturally. Some people call these weeds.

对于那些自然生长的地被植物，也就是人们通常说的杂草，园丁们无需多虑。

One way to get income is by selling the leaves, or needles, of the trees as a ground cover.

获得收入的一种方法是将长叶松的针叶作为地被物出售。

Rain sent walls of water crashing down mountainsides in areas where ground cover had been stripped due to recent wildfires.

雨水筑成的水墙冲刷着崩溃山坡地区近年来经野火肆虐后的大地。