R
radio n.收音机
railway n.铁路
rainfall n.降雨
range n.范围
reach v.达到
realistic adj.现实的
realize v.意识到
reason n.原因
realistic adj.现实的.
receive v.收到
recent adj.最近的
recently adv.最近地
recommendation n.推荐
recycle v.回收
reduce v.减少
reflect v.反应
regularly adv.定期地
regulate v.规定
reject v.拒绝
relationship n.关系
relatively adv.相对地
relevant adj.相关的
relaxation n.放松
remote adj.偏远的
repair v.修理
repay v.偿还
repetition n.重复
replace v.取代
report n.报道
require v. 要求
research n.调查
residence n.住处
resident n.居民
resource n.资源
respect n.尊重
responsibility n.责任
represent v.代表
restoration n.修复
restrict v.限制
result n.结果
retire v.退休
reward v.奖励
right n.权利/adj.正确的
rise n.提高
road n.道路
robot n.机器人
route n.线路
rubbish n.垃圾
run v.运营
