知识问答
最佳答案:门铃停了,却始终没人应答.The door bell stopped ringing,which received no answer.which :在这里指代
最佳答案:热休克应答基因;heat shock response gene营养生长相关基因;vegetative growth related gene氮饥饿基因;nit
最佳答案:Our system's main functions are to compress the sound signals so as to achieve e