[in sing.]a whirring sound, such as a telephone ringing tone or the sound of cogs turning

颤动音。

a rough pronunciation of the letter r, especially with a uvular trill as in a Northumberland accent

小舌颤音。

(loosely)a regional accent

（宽泛意义上）地方口音

(亦作bur)a rough edge or ridge left on an object （especially of metal） by the action of a tool or machine

（尤指金属的）毛边，毛口。

the irregular edge of a dog's ear

（狗的）不平外耳廓。

(亦作bur)a small rotary cutting tool with a shaped end, used chiefly in woodworking and dentistry

牙钻，木钻。

a small surgical drill for making holes in bone, especially in the skull

骨钻。

[mass noun]a siliceous rock used for millstones

硬石。

[count noun]a whetstone

磨石。

(亦作bur)a prickly seed case or flower head that clings to clothing and animal fur

刺果；刺球状花序。

[usu. as modifier]a plant that produces burrs, for example bur-reed

生刺果的植物。

(亦作 bur)[as modifier]denoting wood containing knots or other growths which show a pattern of dense swirls in the grain when sawn, used for veneers and other decorative woodwork

树瘤木纹

the coronet of a deer's antler

鹿茸冠。

[no obj.]make a whirring sound such as a telephone dialling tone or the sound or cogs turning

发出嗡嗡声。

speak with a regional accent, especially one of which the letter r is prominent

说话带地方口音(尤指颤r音)

[with obj.]form a rough edge on (metal)

形成毛边。

Aaron (1756—1836), American Democratic Republican statesman. In 1804, while Vice-President, he killed his rival Alexander Hamilton in a duel. He then plotted to form an independent administration of Mexico and was tried for treason but acquitted.

伯尔，阿龙（１７５６—１８３６，美国民主共和党政治家，１８０４年，在担任副总统期间在决斗中杀死对手亚历山大· 汉密尔顿，后密谋墨西哥独立，以叛国罪被审判，最终宣告无罪。）