selfsame/ˈselfseɪm; `sɛlfˌsem/ adj[attrib 作定语](used after the, this, that, etc 用於the、 this、 that等之後) very same; identical 同一的; 完全相同的 She said the selfsame thing to me. 她对我讲的是完全一样的事情. They were both born on that selfsame day. 他们俩都是那一天出生的.
牛津英汉双解词典