17 - affect, effect etc.

 17.1   affect  ( v. )  影響, 感染(疾病)

 

 

17.2   effect   ( n. )  效果, 影響 /
          effectiveness  ( n. )  有效性

 I think I am suffering from the effects of too little sleep.

 

17.3   effective  ( adj. )  有效的

 Mr Ho is a very effective teacher.

 

17.4   effectively   ( adv. )

 

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