1. holding company
   n. 控股公司
   
2. holding device
   夹持装置，夹紧器，夹具，吸持装置
   
3. holding pattern
   等待航线
   
4. holding pen
   候宰栏
   
5. bank holding company
   银行控股公司， 银行持股公司
   

1. He hold on to my arm with a tenacious grip.
   他紧紧抓住我的手臂不放。
2. A receptacle to hold the relics of saints;a reliquary.
   神龛存放圣骨的容器;圣骨盒
3. These nuts and bolts hold the wheels on.
   这些螺帽和螺栓把轮子固定住了.
4. His disability prevents him from holding a job.
   他的伤残妨碍他就业。
5. There are two large wooden supports that hold up the roof.
   有两根大木柱支撑着房顶。

　2个名词解释