Are they customs officers or police
海关───customs;警察───police
She has written a book on the manners and customs of the ancient Egyptians.───她写了一本关于古埃及人习俗的书.
As the boat plodded into British waters and up the English Channel, Customs had their eye on her.───那艘船缓慢驶入英国水域，沿英吉利海峡向北时，海关一直密切关注着它。
They are whisked through the immigration and customs formalities in a matter of minutes.───给他们办理入境和通关手续只用了短短几分钟时间。
Customs vary with the times.───习俗随时代而异.
He must be a newcomer to town and he obviously didn't understand our local customs.───他一定是刚到镇上来的，明显不了解我们这儿的风俗。
The old customs are pass ing.───旧习俗渐渐消失了.
The Customs have seized large quantities of smuggled heroin.───海关查获了大量走私的海洛因。
On the customs declaration, the sender labeled the freight as agricultural machinery.───在报关单上，寄货人将货物列为农用机械。
We cleared customs by five o'clock.
The customs official beckoned the woman to his counter.
Travel will acquaint us with new customs.
Customs and excise receipts rose 2.5 per cent.
Some strange customs have survived from earlier times.