Serves As a Bed的意思|示意

An old toilet in the corner serves as a bed for a small tree, that hopefully will have good fertilization in the years to come.

一个位于角落里的老旧厕所充当了一棵小树的植床，希望在以后的岁月里，为小树的生长施加养料。

Another bed now serves as a midair sofa, where he piled everyone else's quilts and pillows for an after lunch nap and reading area.

另外一张床用作“空中沙发”，他把其他人的被子和枕头都堆成一堆，这样他可以在上面午睡或者看书。

Photo above: At the back of the office Erick built a simple platform that serves as a couch for the kids to hang out when we’re working or even a spare bed for houseguests.

上图：在办公室的后面，Erick做了一个简单的平台，我们在工作的时候孩子们也想在来看看，就把它当做沙发，如果有客人，它就是床。

Usually a pipe, known as a dip leg, is connected to this bottom outlet and, in catalytic cracking, serves to convey the solids back to the catalyst bed.

一般有一个通称为料腿的管子与此底部出口相连，在催化裂化中用此料腿将固体送回到催化剂床层。

In fluidized bed combustion boilers a suspension section not only serves as a heat transfer section but also plays its role as a combustion one.

在流化床锅炉中，悬浮段不仅可以作为传热区段，而且也有燃烧作用。