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　　词汇解析

　　1.antimicrobial medicines 抗菌素

　　The discovery of antibiotics and other antimicrobialmedicines has been responsible for some of themost dramatic advances in human health.

　　抗生素和其他抗菌药物的发现促成人类健康的一些最令人瞩目的进展。

　　2.disease-causing 致病的

　　Many disease-causing culprits such as bacteria and viruses are nano size.

　　很多致病的元凶如细菌和病毒均是纳米大小。

　　3.led to 导致

　　The laws led to confusion, muddle and years of delay.

　　这些法律导致了困惑、混乱和数年的耽搁。

　　4.food chain 食物链

　　The whole food chain is affected by the overuse of chemicals in agriculture.

　　整个食物链因农业生产过程过多使用化学品而受到影响。

　　内容解析

　　1.He serves as the Chief Veterinary Officer for the FAO.

　　serves as 担任

　　He serves as a clerk in a bank.

　　他在一家银行当办事员。

　　This phrase serves as a connecting link between the preceding and the following.

　　这个短语起到了承上启下的作用。

　　2."Their use," it says, "is essential to food security, human well-being and animal welfare."

　　food security 食品安全

　　Agriculture and food security are finally back to the international agenda.

　　农业和粮食安全最终回到了国际议程中。

　　Poverty, disease and conflicts have historically threaten food security.

　　在历史上，贫困、疾病和争战都曾对食物安全构成威胁。