用楔子固定

A piece of material, such as metal or wood, thick at one edge and tapered to a thin edge at the other for insertion in a narrow crevice, used for splitting, tightening, securing, or levering.

楔子一块如金属或木头的材料，一端粗至另一端逐渐变细以便插入狭小的缝隙内，用于劈升、绷紧、固定或用杠杆撬动某种东西

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。