1·This is one of the reasons why some males birds have exotic plumes, why elk carry hefty antlers , and why male fiddler crabs have such large claws.
这就是为什么一些雄鸟长着充满异国情调的羽毛，为什么麋鹿拥有巨大的鹿角，为什么雄性招潮蟹有这么大的爪子的原因之一。
2·Most volcanoes that occur in the interiors of plates are believed to be produced by mantle plumes, columns of molten rock that rise from deep within the mantle.
人们认为，大多数发生在板块内部的火山爆发都是由地幔柱造成的，地幔柱是指从地幔深处涌出的熔岩柱体。
3·The plumes apparently originate at great depths, perhaps as deep as the boundary between the core and the mantle, and many have been active for a very long time.
这些地幔柱显然起源于很深的地方，可能深至地核和地幔之间的边界，而且许多都已经活跃了很长时间。
4·We saw the face of evil form in plumes of smoke and ash.
在废墟和烟雾升腾中我们似乎看到了魔鬼的脸孔。
5·Plumes of black smoke rose from burning industrial plants.
黑色烟柱从燃烧的工厂升腾而去。
6·Tall and athletic: Ostrich plumes and pompoms emphasise height.
高大健壮：鸵鸟的羽毛和绒球象征了高度！
7·Wind frequently pushes dust plumes seaward along the Namibian Coast.
大风频繁的沿着纳米比亚海岸把沙尘吹向大海方向。
8·What the plumes lacked in strength, however, they made up for in number.
尽管近鸟龙的羽毛缺少强度，但是它们通过数量来弥补。
9·What makes this place biologically amazing was the life they found near the plumes.
使得这个地方如此有生物学魅力的正是靠近水流处被发现的生命。
10·Carbon monoxide is a good tracer for moving smoke plumes, even across large distances.
一氧化碳可以用来追踪烟尘羽的移动情况，即使经过遥远的距离。