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。
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.
中毒的全过程相当迅速，只要沾染上百万分之一克的有毒物质便会迅速送命。
The poisoning is relatively rapid and a millionth of a gram is sufficient to kill.
应用推荐