今天我们要学的词是antibiotics. Antibiotics 名词，抗生素。

California has adopted a bill that sets the strictest limits in the United States on the use of antibiotics in healthy livestock.

加州通过新立法，对健康牲畜服用抗生素确立了美国最严格的限制。

In signing the legislation, California Governor Jerry Brown called the overuse of antibiotics "an urgent public health problem."

加州州长布朗在法案上签字并表示，抗生素的过度使用是“一个紧迫的公共健康问题”。

好的，今天我们学习的词是 antibiotics, antibiotics, antibiotics...