police officer的解釋
n. 警官, 警員
police officer的例句
The investigation was carried out under the direction of a senior police officer.
調(diào)查是在一位高級警官的指導(dǎo)下進(jìn)行的。

I"ll find the evidence I want, said the police officer, even if we have to tear the whole house apart.
警官司說：“即使我們不得不把整個房子翻個一塌糊涂，我也愿找到我要的證據(jù)”。