名词
中文翻译：微米
同义词：
['nanogram', 'nanogram']
例句：
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1.The weight of the sample was measured in micrograms.
样品的重量以微克为单位测量。
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2. The scientist used a microscope to observe the tiny objects.
科学家使用显微镜观察微小物体。
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3.The researchers found that the bacteria could grow in microgram quantities.
研究人员发现这些细菌可以在微克的量级生长。