antecedent造句
        That was 
antecedent to this event.
那是在这件事之前.
Those were events 
antecedent to the revolution.
这些都是革命前的事了。
Physical processes flow inevitably from their 
antecedent conditions.
物理过程的出现必然有其前提.
It was permissible to take account of 
antecedent legislation.
允许考虑先前的法律。