单词：zinc content
zinc content的用法和样例：
例句
- The content of glutamic zinc was assayed by volumetry method.采用容量法测定谷氨酸锌含量。
- The tibia weight and its zinc concentration were affected by dietary zinc levels.鸡只的胫骨重量及胫骨锌浓度，受饲粮的锌含量影响。
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经济学人综合
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英语口语
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