The periodic table now contains all the elements known to man arranged in their proper sequence.
The periodic table now contains all the elements known to man arranged in their proper sequence.
现在周期表包括人类已知的全部元素，这些元素按适当的顺序排列起来。
The periodic table now contains all the elements known to man arranged in their proper sequence.
现在周期表包括人类已知的全部元素，这些元素按适当的顺序排列起来。