The bill would give the F. D. A. new powers to enforce disease-prevention plans on food facilities, trace the source of contaminated foods quickly, and order mandatory recalls.
该法案赋予食品药品管理局新的权力来执行食品设施疾病预防计划，快速追踪受到污染的食品来源，并强制召回。
The bill would give the F.D.A. new powers to enforce disease-prevention plans on food facilities, trace the source of contaminated foods quickly, and order mandatory recalls.
该法案赋予食品药品管理局新的权力来执行食品设施疾病预防计划，快速追踪受到污染的食品来源，并强制召回。
We must trace the source of these noxious gases.
我们必须查出毒气的来源。
In 1924, the hall was threatened with destruction when a fire broke out on the roof. A good deal of the wall had to be torn down in an endeavor to trace the source of the fire.
1924年一场大火险些毁掉马萨诸塞堂，为竭力找寻起火源头，大堂墙体的一大部分都不得不被拆除了。
In 1924, the hall was threatened with destruction when a fire broke out on the roof. A good deal of the wall had to be torn down in an endeavor to trace the source of the fire.
1924年一场大火险些毁掉马萨诸塞堂，为竭力找寻起火源头，大堂墙体的一大部分都不得不被拆除了。
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