reduce...to... 把...简化为
reenter politics 再度从政
refer to 指
reference point 参照点
reference to 提到
reflective glass 反光玻璃
reflective tape 反光带
refuse site 废地
regardless of 不论
relative speed 相对速度
relevant to 与...有关
REM (rapid eye movement)快速眼动
removed from 远离
renew a friendship 重修旧好
replace...with... 用...代替...
reproductive capability生殖能力
residential lot 住宅区
result from 由...产生
result in 结果是；导致
result in 导致；结果是
retentive power 暂留力
return to life 恢复活力
reward sb. 奖励；表彰
rich in 富有
rocking chair 摇椅
roll over 翻滚
root in 起源于；起因于
rough hands 粗鲁的工人
run into 遇到
run out of 用完
run parallel to 与...平行
run wild 失控；(价)暴涨
running north and south贯穿南北
rush out 涌出
rust away 锈烂