• n. 英語字母中的第十八個字母
• abbr. 電阻（resistance）；比率（ratio）；醫生處方（recipe）

來自希臘字母 rho,來自希伯來字母 resh,頭。

R

In a circle, meaning "registered (trademark)," first incorporated in U.S. statues 1946. R&R "rest and relaxation," first recorded 1953, American English; R&B "rhythm and blues" (type of popular music) first attested 1949, American English.

If all our r's that are written are pronounced, the sound is more common than any other in English utterance (over seven per cent.); the instances of occurrence before a vowel, and so of universal pronunciation, are only half as frequent. There are localities where the normal vibration of the tip of the tongue is replaced by one of the uvula, making a guttural trill, which is still more entitled to the name of "dog's letter" than is the ordinary r; such are considerable parts of France and Germany; the sound appears to occur only sporadically in English pronunciation. [Century Dictionary]

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The moment we encounter the added r's of purp or dorg in our reading we know that we have to do with humor, and so with school-marm. The added consonants are supposed to be spoken, if the words are uttered, but, as a matter of fact, they are less often uttered than seen. The words are, indeed, largely visual forms; the humor is chiefly for the eye. [Louise Pound, "The Humorous 'R,'" "American Mercury," October 1924]

She goes on to note that in British humorous writing, -ar "popularly indicates the sound of the vowel in father" and formations like larf (for laugh) "are to be read with the broad vowel but no uttered r." She also quotes Henry James on the characteristic prominence of the medial -r- sound (which tends to be dropped in England and New England) in the speech of the U.S. Midwest, "under some strange impulse received toward consonantal recovery of balance, making it present even in words from which it is absent, bringing it in everywhere as with the small vulgar effect of a sort of morose grinding of the back teeth."

1. Details are available from the Hon. Sec. A.R. Bushby.

詳情可咨詢名譽秘書A.R.布什比。

來自柯林斯例句

2. Politicians began to use the dreaded R-word: recession.

政客們開始使用令人恐懼的R字頭詞：recession（經濟衰退）。

來自柯林斯例句

3. Q comes between P and R in the English alphabet.

英語字母表中，Q在P和R之間。

來自《權威詞典》

4. The final letter is very vague; possibly an R or a K.

最后一個字母很不清楚, 可能是R,也可能是K.

來自《簡明英漢詞典》

5. The winners are as follows: E. Walker; R. Foster; R. Gates; A. Mackintosh.

優勝者分別是：E.沃克、R.福斯特、R.蓋茨和A.麥金托什。

來自柯林斯例句