see wiki

ps. the blades are poisonous


Food Preservation Demonstration: Freezing Rhubarb 









n. [sameness of sound between words or syllables, esp the endings of lines of verse, as in]


ex. 陳綺貞 魚

我坐在椅子上 看日出復
我坐在夕陽裡 看城市的衰
我摘下一片葉子 讓它代替


Songwriting on the Floor: Rhyme 







adj. [marked by or moving in pronounced rhythm]









n.肋骨 ( see wiki)

  ex. barbecue pork ribs, Pork ribs(豬排)

  ps. The verb meaning "tease, fool" is first attested 1930, perhaps as a figurative extension of poking someone in the ribs.


Barbecue and Grilling ... : Rib Eye Steak Recipe by the BBQ Pit Boys











adj. [humorous in a vulgar, obscene or disrespectful way]












adj. [likely to fall or collapse.]



ps. rickets (wiki)  Rickets is a softening of bones in children due to deficiency or impaired metabolism of vitamin D phosphorus or calcium potentially leading to fractures and deformity. Rickets is among the most frequent childhood diseases in many developing countries. The predominant cause is a vitamin D deficiency, but lack of adequate calcium in the diet may also lead to rickets (cases of severe diarrhea and vomiting may be the cause of the deficiency).



ps. Ricky Rubio (Mix)



 Rickets Health Byte










n. [a mystifying, misleading, or puzzling question posed as a problem to be solved or guessed]

 ps.1 What's black and white and red  all over?

 ps.2 conundrum is a kind of riddle (p. 115)


駭客盜IP發信「預告犯罪」 日警抓不到 (from 自由時報)










n. [a person who rides a horse or other animal, a bicycle, etc.]

n. [an addition or amendment to a document such as a contract]

   ps. A contract addendum may also be called an appendix, an annex, or a rider.










  ps. bridge











rid(to laugh)-icule    ex. deride p.141

n. [(process of) making sb/sth appear foolish or absurd; scorn]

  ex. He's become an object of ridicule, ie People say he is foolish/absurd.

v. [to make fun of ]

  ps. ridiculous










adj. [ abundant, common, prevalent especially to an increasing degree]

  ex.  the class was rife with enthusiasm


etymology: before 1150; Middle English; Old English rīfe;  cognate with Middle Dutch rijf  abundant, Old Norse rīfr










wiki: A rifle is a firearm designed to be fired from the shoulder, with a barrel that has a helical groove or pattern of grooves ("rifling") cut into the barrel walls. The raised areas of the rifling are called "lands," which make contact with the projectile (for small arms usage, called a bullet), imparting spin around an axis corresponding to the orientation of the weapon.


U.S. Military Rifles since 1776













n. [a gap or space made by cleaving or splitting; fissure]

n. [serious disagreement between friends, members of a group, etc]

  ex. a growing rift between the two factions 兩派日益擴大的裂痕

  <> reconciliation




 Great Rift Valley










n. [apparatus for some purpose; equipment]

  ps. drill rig. the equipment used in drilling an oil well.

v. [to manipulate in a fraudulent manner, esp for profit]

  ex. to rig prices ; to rig an election



From New York times ( Jan 1, 2013)

An enormous Shell Oil offshore drilling rig ran aground on an island in the Gulf of Alaska on Monday night after it broke free from tow ships in rough seas, officials said.

The rig, the Kulluk, which was used for test drilling in the Arctic last summer, is carrying about 139,000 gallons of diesel fuel and 12,000 gallons of lubricating oil and hydraulic fluid, the officials said.











adj.  [stiff; not bending or yielding]  

  ex. a rigid support for the tent


ps. rigid body (phys MIT open course) ...rotational band.












n. [harsh inflexibility in opinion, temper, or judgment]

  ex. academic rigor

  ps. rigorous


rigor mortis (from wiki)

Rigor mortis (Latin: rigor "stiffness", mortis "of death") is one of the recognizable signs of death, caused by chemical changes in the muscles after death, causing the limbs of the corpse to become stiff and difficult to move or manipulate. In humans, it commences after about three to four hours, reaches maximum stiffness after 12 hours, and gradually dissipates until approximately 48 to 60 hours after death.








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