n.旅鼠

原形：lemming复数：lemmings

The lemming population in this region fluctuates dramatically from year to year.
这个地区的旅鼠数量每年都有巨大的波动。
According to the myth, lemmings commit mass suicide by jumping off cliffs.
依据传说，旅鼠会集体自杀，通过跳下悬崖的方式。
Ecologists study lemmings as an important part of the Arctic food chain.
生态学家研究旅鼠，因为它们是北极食物链中的重要一环。
The documentary showed footage of lemmings migrating in large groups across the tundra.
纪录片展示了旅鼠成群结队穿越苔原的镜头。
Lemming populations can grow exponentially under favorable conditions.
在有利条件下，旅鼠的数量可以呈指数级增长。
Scientists have debunked the myth that lemmings intentionally drown themselves during migration.
科学家已经揭穿了旅鼠在迁徙中故意溺水的神话。
The cyclic surge and crash of lemming populations affect predator populations as well.
旅鼠种群的周期性暴涨和暴跌也影响到了捕食者的数量。
Observers were astonished by the sheer number of lemmings scurrying across the landscape.
观察者对四处窜动的大量旅鼠感到惊讶。
Lemmings' breeding patterns are closely linked to the availability of food resources.
旅鼠的繁殖模式与食物资源的可获得性密切相关。
In some years, the lemming boom leads to a subsequent increase in fox and owl populations.
有些年份，旅鼠数量的激增会导致随后狐狸和猫头鹰数量的增加。