continuous和continual的区别：

(1)搭配区别：

continuous做表语和定语 be continious或continious+名词

continual只做定语 continual+名词

(2)词意的不同：

continual:反复,不停止(happen repeatedly)

eg: continual knocks on the door反复的敲门声

continous:连续性的=unbroken(lack of interruption)

eg: a continuous line一条不间断的线

continuous pain/headache持续的痛/头痛

而continuing的含义是继续,例如：continuing education持续教育/继续教育

还有continuing development (sustainable development)

没有反复的含义