The reproduction and growth of the cancerous cells can be suppressed by bombarding them with radiation.可以通过放疗杀死癌细胞来抑制其再生和扩散。The growth of cancerous cells can be suppressed with radiation.癌细胞的生长可以通过放疗进行抑制。Her hair started falling out as a result of radiation treatment.由于放疗，她开始掉头发。