That is because the Crouches do not have a grass lawn.

这是因为克劳奇一家没有草坪。

The neighbors did not like that the Crouches did not have a grass lawn.

邻居们不喜欢没有草坪的克劳奇一家。

In an effort to have the perfect green grass lawn, people try their best to kill all dandelions with chemical products.

为了拥有完美的绿色草坪，人们会尽力用化学产品消灭蒲公英。

And now, lawn grass is everywhere.

而现在，到处都是草坪草。

And since corn is in the same family as lawn grasses, the crabgrass toxic effect may also spell bad news for your beautiful Kentucky bluegrass.

由于玉米与草坪草同属一个科，因此螃蟹草的毒效对美丽的肯塔基蓝草来说也是个坏消息。

Most American lawn grasses aren't native to America, and they need a cocktail of fertilizers and herbicides to thrive.

大多数美国草坪草并非原产于美国，它们需要化肥和除草剂的混合物才能茁壮成长。

In the US, lawn grass is our biggest crop, covering an area around three times larger than any other, making our yards the most heavily irrigated cultivated plant in America.

在美国，牧草是产量最大的农作物，所覆盖的面积约是其他所有作物的三倍，这使得我们的院子种植的作物成为美国最需要灌溉的植物。