reveal

revered

reverse inverse

revise

revitalization

revival

revive

rhetoric

rhythmical rhythm n 节奏

ridge

rift n

rigidity frigid

riot

ripen

rite

ritual

rival

roam 漫游

robust (乐百氏)

rod

roost

rooster

rotate

rubble

rudimentary

rupture 断裂

rural

rustproof waterproof托福考试报名费用

rhythmical

ridge

rift

rigidity

riot

ripen

rite

ritual

rival

roam

robust

rod

roost

rooster

rotate

rubble

rudimentary

rupture

rural

rustproof

S

sack get your sack

sacred a 神圣的

saddle

sample

sanctimonious adj 假装神圣的

 sanction v n

without the sanction of the author

未经作者同意

sanctuary n 避难所 /圣堂

 sanitation n 卫生 卫生设施

environmental sanitation 环境卫生

satire n

satiric a

 saturate

scale

scale v 攀登

scarce a