drug

Penicillin was the first effective drug used to treat bacterial infections.

(Chinese) 青霉素是第一种用于治疗细菌感染的有效药物。

The new drug is still undergoing clinical trials to ensure its safety.

(Chinese) 这种新药仍处于临床试验阶段，以确保其安全性。

The customs officers used trained dogs to search for illegal drugs.

(Chinese) 海关官员使用训练有素的犬只搜查非法毒品。

Governments around the world are struggling to combat the trade in hard drugs.

(Chinese) 世界各国政府都在努力打击硬性毒品贸易。