Composition pre-enrichment broth: double strength BPW with vancomycin, malachite green, and milk.

预富集培养基成分：含万古霉素，孔雀绿和奶的双效BPW。

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One symptom of the hurried child syndrome is forcing pre-school children to constantly take classes and perform other "enrichment" exercises to help them prepare for school.

忙碌儿童综合症的症状之一就是强迫学龄前儿童不断参加各种班和特长培训，以帮助他们为入学做好准备。

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pre-school enrichment programmes to give young children an educational head start;

开设学前增益课程，为幼儿提供教育起步；

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The proposal also calls for a "pre-negotiations phase in which Iran would simply agree to refrain from expanding its current uranium-enrichment operations, in exchange for the West holding off on further sanctions against Tehran, " Time reported.

CNN: Iran minister: We might consider U.S. diplomatic presence