相关例句

• 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。)
• In order to withstand tidal currents, juvenile horseshoe crabs frequently burrow in the sand.(为了抵御潮汐，幼年马蹄蟹经常在沙子里挖洞。)
• When there is a full moon, this nocturnal rodent is careful to stay in its burrow.(在有满月出现的时候，这种夜间出没的啮齿类动物小心地呆在它的洞里。)
• 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。)
• Earthworms burrow deep into the soil.(蚯蚓钻土很深。)
• A black-tailed prairie dog perks up outside his burrow in South Dakota.(在南达科他州，一只黑尾巴的草原土拨鼠昂首站在他的洞穴外面。)
• But moles only know how to burrow down.(但是鼹鼠型的同事只知道如何挖洞藏身。)
• I come out of my burrow only at night to find food.(我只在夜间从洞穴中出来寻找食物。)
• Surprisingly, in areas where tidal currents are very weak, juvenile horseshoe crabs are found not to have significant barnacle populations, even though they seldom burrow.(令人惊讶的是，在潮汐流很弱的地方，幼年马蹄蟹的藤壶数量并不多，尽管它们很少在洞里活动。)
• Third, they burrow into the live tissue of trees that produce a toxic sap (Euphorbs).(还有，它们在树的活组织里挖掘洞穴，而树（Euphorbs树）的活组织产生的树液却是有毒的。)