One day, there was no food in the burrow for their breakfast. The brother was very hungry and began to cry.

有一天，家里没有食物做早饭了(这里怪怪的…)，弟弟饿得哭了起来。

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However, when diatoms are observed under constant conditions in a laboratory, they still display periodic behavior, continuing to burrow on schedule for several weeks.

然而，当在实验室的恒定条件下观察硅藻时，它们仍然表现出周期性的行为，继续按计划挖掘几个星期。

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The ideal riverbank is crumbly enough for the birds to excavate a nesting burrow with their beaks.

理想的河岸边土壤很松软，这些鸟可以很轻松的用自己喙去凿出适合做窝的地洞。

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McGuire gave the Rhinos hope with a diagonal run to the corner and he stretched out of a tackle from Jeffries to plant the ball over the line and then, three minutes before the break, Senior took Sinfield's pass to go through a gap and send Burrow over for a try.

BBC: Bradford 14-30 Leeds

Webb ran in from halfway and Burrow went over for the final try for the home side, while Sinfield finished with six goals and Burrow one.

BBC: Leeds 38-19 St Helens

Rob Burrow kicked through for Hall's score, converted by Sinfield, but McGuire was soon denied a chance to erase his previous error and he moved onto a floated Jamie Peacock pass.

BBC: Hull KR 25-6 Leeds