词汇课从字母R开始
总共有134个词汇课，它们都是从字母R开始的。你可以选择一个字母去学习与这个字母相关的所有词汇课，你也可以点击一个单词去学习这个词汇课。
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Race
(v)(n)
Radio
(n)
Rain
(v)(n)
Raise
(v)(n)
Range
(v)(n)
Rare
(adj)
Rarely
(adv)
Rate
(v)(n)
Rather
(adv)
Ratio
(n)
Raw
(adj)
Reach
(v)(n)
React
(v)
Reaction
(n)
Read
(v)(n)
Readily
(adv)
Reading
(n)
Ready
(adj)
Real
(adj)
Realistic
(adj)
Reality
(n)
Realize
(v)
Really
(adv)
Reason
(n)(v)
Reasonable
(adj)
Receive
(v)
Recent
(adj)
Recently
(adv)
Reception
(n)
Recipe
(n)
Recognition
(n)
Recognize
(v)
Recommend
(v)
Recommendation
(n)
Record
(v)(n)
Recording
(n)
Recover
(v)
Red
(adj)
Reduce
(v)
Refer
(v)
Reference
(n)
Reflect
(v)
Reflection
(n)
Refrigerator
(n)
Refuse
(v)
Region
(n)
Register
(n)(v)
Regret
(v)(n)
Regular
(adj)
Regularly
(adv)
Relate
(v)
Related
(adj)
Relation
(n)
Relationship
(n)
Relative
(adj)(n)
Relatively
(adv)
Relax
(v)
Release
(v)(n)
Relevant
(adj)
Relief
(n)
Relieve
(v)
Rely
(v)
Remain
(v)
Remaining
(adj)
Remarkable
(adj)
Remember
(v)
Remind
(v)
Remote
(adj)
Remove
(v)
Rent
(v)(n)
Repair
(v)(n)
Repeat
(v)(n)
Replace
(v)
Replacement
(n)
Reply
(v)(n)
Report
(v)(n)
Represent
(v)
Representative
(adj)(n)
Republic
(n)
Reputation
(n)
Request
(n)(v)
Require
(v)
Requirement
(n)
Research
(n)(v)
Reserve
(v)(n)
Resident
(n)(adj)
Resist
(v)
Resolution
(n)
Resolve
(v)
Resort
(n)
Resource
(n)
Respect
(n)
Respond
(v)
Response
(n)
Responsibility
(n)
Responsible
(adj)
Rest
(v)(n)
Restaurant
(n)
Result
(n)(v)
Retain
(v)
Retire
(v)
Return
(v)(n)
Reveal
(v)
Revenue
(n)
Review
(n)(v)
Revolution
(n)
Reward
(n)(v)
Rice
(n)
Rich
(adj)
Ride
(v)(n)
Right
(adj)(adv)(n)(v)
Ring
(n)(v)
Rip
(v)(n)
Rise
(v)(n)
Risk
(n)(v)
River
(n)
Road
(n)
Rock
(n)(v)
Role
(n)
Roll
(v)(n)
Roof
(n)
Room
(n)
Rope
(n)
Rough
(adj)
Roughly
(adv)
Round
(adj)(n)(v)
Routine
(n)(adj)
Row
(n)(v)
Royal
(adj)
Rub
(v)(n)
Ruin
(n)(v)
Rule
(n)(v)
Run
(v)(n)
Rush
(v)(n)
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Y&Z
