- and when it happens they must make the most of it.
一旦发生 它们必须尽可能地利用它 - There is no other species on the planet that responds as quickly and as dramatically to the good times as the desert locust.
好日子到来时 地球上没有其它物种 能像沙漠蝗那样迅速而又戏剧性地作出反应 - Eggs that have remained in the ground for 20 years begin to hatch.
在地下埋藏了20年的虫卵开始孵化 - The young locusts are known as hoppers,
沙漠蝗的若虫是跳跃能手 - for at this stage they're flightless.
在这一阶段 它们还不能飞 - They find new feeding grounds by following the smell of sprouting grass.
它们循着萌发的草香寻找新的用餐场所 - Normally it takes four weeks for hoppers to become adults,
一般说来 若虫需要 经过4周才能变成成虫
The young locusts are known as hoppers, 沙漠蝗的若虫是跳跃能手
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