Word

operator # 算子，操作

tail # 尾巴

disable # 禁用

interface # 接口/界面

deployment # 部署

overhead # 开销

interface　 # 接口

dual # consisting of two parts or elements or having two like parts

placeholder # 占位符

declaration # 声明

commas # 逗号

concepts # 概念

instance # 实例

statement # 声明

colon # 冒号