rigidity--- An instance of being rigid僵化，嚴(yán)厲=stiffness
revise--- To reconsider and change or modify修改，修正=change
retrieve--- To get back; regain.重獲；收復(fù)；=recover, To get back; regain.重獲；收復(fù)；重新得到=bring back
To rectify the unfavorable consequences of; remedy. See: recover
restrict--- To keep or confine within limits限制=limit
retain--- To maintain possession of保持=keep
representation--- The state or condition of serving as an official delegate, agent, or spokesperson代表=delegate, stand for
resemble--- To exhibit similarity or likeness to類似=similar
renounce--- To reject; disown拒絕=reject To refuse to accept, submit to, believe, or make use of拒絕
replace-- To take or fill the place of取代=supplant To displace and substitute for (another)取代，代替(另一個(gè))
release--- To free from something that binds, fastens, or holds back; let go松開=give off
refreshing--- Pleasantly fresh and different新鮮宜人的，與眾不同的=unusual
reflection--- A manifestation or result顯示，結(jié)果=indicate To suggest or demonstrate the necessity, expedience, or advisability of說明，顯示，暗示
receptacle--- A container that holds items or matter貯藏器=container
recognize--- To show awareness of; approve of or appreciate賞識(shí)=appreciate
rarefy--- To make thin, less compact, or less dense使稀薄=infrequent
rear--- To lift upright; raise直立起；抬高=raise
radical--- Departing markedly from the usual or customary; extreme極端的=drastic Severe or radical in nature; extreme嚴(yán)厲或劇烈的；極端的
symmetrical--- Of or exhibiting symmetry對稱的=proportionally balanced
synthetic--- Produced by synthesis, especially not of natural origin.合成的=formation, integrate
Not natural or genuine; artificial or contrived人造的，不自然的=artificial
revise--- To reconsider and change or modify修改，修正=change
retrieve--- To get back; regain.重獲；收復(fù)；=recover, To get back; regain.重獲；收復(fù)；重新得到=bring back
To rectify the unfavorable consequences of; remedy. See: recover
restrict--- To keep or confine within limits限制=limit
retain--- To maintain possession of保持=keep
representation--- The state or condition of serving as an official delegate, agent, or spokesperson代表=delegate, stand for
resemble--- To exhibit similarity or likeness to類似=similar
renounce--- To reject; disown拒絕=reject To refuse to accept, submit to, believe, or make use of拒絕
replace-- To take or fill the place of取代=supplant To displace and substitute for (another)取代，代替(另一個(gè))
release--- To free from something that binds, fastens, or holds back; let go松開=give off
refreshing--- Pleasantly fresh and different新鮮宜人的，與眾不同的=unusual
reflection--- A manifestation or result顯示，結(jié)果=indicate To suggest or demonstrate the necessity, expedience, or advisability of說明，顯示，暗示
receptacle--- A container that holds items or matter貯藏器=container
recognize--- To show awareness of; approve of or appreciate賞識(shí)=appreciate
rarefy--- To make thin, less compact, or less dense使稀薄=infrequent
rear--- To lift upright; raise直立起；抬高=raise
radical--- Departing markedly from the usual or customary; extreme極端的=drastic Severe or radical in nature; extreme嚴(yán)厲或劇烈的；極端的
symmetrical--- Of or exhibiting symmetry對稱的=proportionally balanced
synthetic--- Produced by synthesis, especially not of natural origin.合成的=formation, integrate
Not natural or genuine; artificial or contrived人造的，不自然的=artificial