word explaination attibute
syntax 语法 n.
synonym 近义词 n.
eliminate 排除 v.
wildcard 通配符 n.
boilerplate 文本，示范 n.
concurrency 并发 n.
comprise 包括 v.
constrain 约束 v.
nested 嵌套的 adj.
simulate 模仿，假装 v.
retrieve 检索 v.