roil

v. 搅浑，激怒

rocking-horse, rocky, rococo, rod, rode, rodent, rodeo, rodomontade, roe, roebuck, roentgen (also rontgen), Rogation Sunday, rogations, roger, rogue, roguery, rogues' gallery, roguish, roguishly, roguishness, roister, roisterer, roistering, role, role (also role), role-play, roll, roll around, roll back, roll in, roll into, roll of honour, roll out, roll up, roll-bar, roll-call, roll-on, roll-on roll-off, roll-top desk, roll-up,