dogs are important partners of Customs officers in the never-ending war against drug traffickers.
AAssistance
BDetector正確答案
CGuide
DHunting
答案與詳解
為什麼答案是 B
Detector dogs（偵測犬/緝毒犬）是海關查緝毒品、爆裂物的專業術語。與題幹 Customs officers、drug traffickers 完美呼應，為標準搭配。
載入中…
