1.使用,花费(金钱,劳力,时间等);用光,耗尽
2.【航】把(暂时不用的绳)绕在桅杆上
3.〈罕〉花钱
1.to use time, energy, money, etc. doing something
1.If your body is consuming fewer calories than it's expending, something's got to go (see God, "The First Law of Thermodynamics" ).
如果你的身体消耗更少的热量比它的花费，有什么地方去了（见上帝，他说：“热力学第一定律”）。
2."They are expending enormous amounts of money; they have a huge diplomatic presence across the Pacific, " she said.
“他们正在投入数额巨额资金，他们在整个太平洋地区建立了庞大的外交关系网，”她表示。
3.Yes, we have an economy that's expending, but it's certainly not expending as rapidly as you'd like or expect at this stage of recovery.
是的，我们有一个经济开销，但肯定不是如你想象中在经济复苏这个阶段迅速花费那样。
4.And by expending different combination of these color sacks to different degrees the octopus can create all sorts of colors.
通过不同种类的小囊扩张不同的程度的结合，章鱼可以显示出所有的颜色。
5.The goal of optimizing the delivery of services is quite simple: provide the best service while expending as few resources as possible.
优化服务交付的目标是很简单的：就是提供最好的服务，同时尽可能减少资源消耗。
6.The idiom "Wait by a stump for a hare" is a metaphor for wanting to obtain something without expending one's own effort.
后来人们根据这个故事引申出“守株待兔”这句成语，比喻不经过自己的努力，却想得到意外的收获。
7.No use expending all that energy swinging though the trees only to discover that the figs are not yet ripe, sour and hard as nails.
无需花费精力在树之间穿越，就可以发现果实是否成熟、发酸或像钉子一样硬。
8.Q: US President Bush requests the largest defense expending increase in something like 21years. Is the Chinese side worried about this?
问：布什总统要求大幅增加美国防开支，据称这是21年来最大的一次增长。中方对此是否有所担忧？
9.Then get the discrepancy of the materials expending during different structures, offer the basis for the optimizing the structure.
从而得出不同建筑结构的材料消耗之间的差别，为优化建筑结构提供依据。
10.The heart pumps by expending and contracting of muscle.
心脏通过收缩肌肉抽取和放出（血液）。