含义:步骤、阶梯、等级
拉丁语 'gradus',意为‘步’或‘级’,源自原始印欧语 'ghredh-'(意为‘走’)。
表示成绩或水平的等级
"He received an A grade in mathematics."
某种属性随位置或时间的变化率
"The gradient of the hill was very steep."
完成学业的人或获得学位的人
"She graduated from university with a degree in biology."
将某物提升到更高的级别或质量
"They decided to upgrade their software to the latest version."