托福重点词汇100个（三）

　　reverberate be sent back, again and again

　　rigor: sternness, strictness, severe conditions

　　rotundity: state of being round

　　salvage: the saving of property from loss

　　scattered: not situated together

　　shatter: to break into many pieces

　　shunned: avoided, kept away from

　　sketchy: shortly, roughly, quickly

　　sporadic: happening from time to time

　　stifled: suppressed, kept back

　　strive: to make great efforts, to struggle

　　subsequent: following

　　succumb: yield, die

　　taciturn: unspoken, silent