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arm

国家的 V贵族 BECI nobility: members of the aristoc- raqy贵族成员

ar*is-to-crat /'aeristakraet; NAmE a'rist-/ noun a member of the aristocracy (—位.:■)贵族一compare commoner ar-is-to-crat-ic - /.aerista'kraetik; NAmE a.rista-/ adj. belonging to or typical of the aristocracy m PPITl noble . an aristocratic name/family/lifestyle 贵$姓氏/字庭/生⁽活方式

Aristotelian /.aerista'tiilian/ adj. connected with Aristotle or his philosophy 亚里壬¹多德（,哲举:V的.. arith-met*ic /a'riematik/ noun [\J] 1 the type of mathematics that deals with the adding, multiplying, etc. of numbers 算术：He's not very good at arithmetic. ^>5^： 擅长算术。_ 2 sums invQlving the adding, multiplying, etc. of numbers 算术_运算；四.则，运算：a guide bit 〇/ mental arithmetic 快速.心算◊ I thinfc t/iere’s.something wrong with.your arithmetic.我认为你的计算有错_b arith-met-ioal /.aeriG'metikl/ (also arith-met*ic) adj. relating to arithmetic 算术的：..cm arithmetical ca〖cuZa- tion 算术运算► arith.met.ic.al.ly/-kli/ Mv. arith.metic 'mean noun = mean n.{2)^： arith.metic progression (also arith metic series) noun a series of numbers that decrease or increase by the same amount each time, for example 2, 4, 6, 8 算米级数，等差级数,(⁵::如2、4、6、8 f—compare

GEOMETRIC PROGRESSION

the ark /a:k; NAmE a:rk/ (also .Noah^ 'ark) noun [sing.] (in the Bible:《圣镑>,)a large boat which Noah built to save his family and two of every type of animal from the flood方舟，诺亚方舟（诺亚为家人及^对对各种动物 避洪水所造的大船）rM out of the ark | sth went out with the 'ark (BrE, informal) if sb says that an object or a custom is out of the ark or went out with the ark，they think that it is old or old-fashioned 极'古 老；十^•陈旧；、过时_

ariTI /aim; NAmE arrm/ noun, verb

• noun — see also arms

► PART OF BODY 身^,徉部^,位.1 either of the two long parts that stick out from the top of the body and connect the shoulders to. the hands 手臂；肢：He escaped with a broken arm.他得似政生，';女是断了一I只胳 膊。◊ She threw her arms around .his necfc.—也开双 W _ ft 他的脖子。◊ rhe o^iicer grabbed him by the arm ;(=^f grabbed his arm).警察抓住 了他的手臂。0 She touched him gentry cm the arm•她轻轻地碰了碰他的胳 膊。0 Zfe heW the dirty rag at arm’s length (= as far away from his body as possible).他拎着脏抹布，身子离 得远远的。◊ rhey vva丨fced aiong arm m arm :(:= with the arm of one person linked with the arm of the other). 他们臂挽着臂一路走着。：◊ She cracHed the chiW m her arms.她怀也着小孩。◊ rhey/eH asZeep m each other’s arms (= holding each other).他们互相搂抱着睡着了〇 ◊ He was carrying a number of files under his arm .(=between his arm and his body).他腋下夹着一些， 卷.宗。◊ He vvaWced in with a taH bionde on his arm