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