Parsing GIF application's extension blocks - how to find block size?
解析gif应用的扩展块如何找到块大小？
2
Republicans threatened to block an extension of middle-class tax cuts unless Mr. Obama gave in and extended tax cuts for the rich too.
除非奥巴马先生屈服，同时延长对富人减税政策，共和党威胁要阻止中产阶级延长减税。
3
The command extension definition is similar to the task command definition, except that the steps used for extending the base command are specified within the block.