Retrieval performance

[計] 檢索性能

?? 詞語組成解析

retrieval [ri'tri:v?l]
n. 收回，挽回;檢索;
performance [p?'f?rm?ns]
n. 表演;演技;表現;執行;
per完全+form形狀+ance表名詞→ perform從頭到尾做出形狀=表演+ance表名詞 → 表演

??? 情景例句

What is your favorite sport?
你最喜歡的運動是什么？
Why didn't you go?
為什么你不去？
Only when he saw that the man was actually telephoning the police did he realize that they had all been the victims of a hoax.
當他看到那個工人真的是給警察掛電話，才恍然大悟，原來他們都成一場騙局的受害者。
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