20秒记1个单词：sector

sector 美 [ˈsɛktɚ, -ˌtɔr] n.部门;领域;

记忆技巧：

sect 切，割 + or 表名词 → 部分；部门

英文释义：

a part of an area of activity, especially of a country's economy；a part of a particular area, especially an area under military control

双语例句：

This is a double whammy for public sector workers

对于公共部门的工作人员而言可谓祸不单行。