hǎi / guān / gōng / zuò / rén / yuán / dài / zhe / jī / dú / quǎn / jiǎn / chá / lǚ / kè / de / xíng / lǐ

海关工作人员带着缉毒犬检查旅客的行李。

Customs officers brought a sniffer dog to inspect passengers’ luggage.