Allde阿尔德alladj.所有的；全部的adv.完全；都；非常pron.一切；全部n.全部Allied Chiefs of Staff盟军参谋长all-insulated switch全绝缘开关,防电击开关allelopathic substance他感作用物质Allium odorum non L.[医] 韭all-purpose password万能密码all electrostatic tube静电聚焦和静电偏转电子射线管Alleviating a hangover解酒all hands to the pumpsn.大家都来帮忙alleviating rheumatism驱风利湿all talk and no action啥都不干，净吹牛

1. You can use commands to convert text to all uppercase or lower case.
   可以使用命令将文本转换为全部大写或小写。