Extracting information about the large-scale composition of a planet from a sample weighing a millionth of a gram was a fascinating example of scientific endeavour.
从重量为百万分之一克的样品中提取有关行星宏观组成的信息是一个极为有趣的科学尝试实例。
《柯林斯英汉双解大词典》
3
Women there presented her with a gram of radium for her campaign.