perform的音标：perform的英式发音音标为：[pə'fɔ:m]perform的美式发音音标为：[pər'fɔrm]...

perceptible的反义词有：imperceptible, imperceptible。adj.perceptible的反义词（可知觉的;相当的）：imperceptible。perceptible的反义词（其他释义）：imperceptible。...

perish的音标：perish的英式发音音标为：['perɪʃ]perish的美式发音音标为：['pɛrɪʃ]...

n.自动停止装置，自动制动器...

异杠柳配基...

n.超等位基因，超效等位基因...

A cold is an infection of the upper respiratory tract.感冒是上呼吸道的感染。They have purged thousands from the upper levels of the civil service.他们从上层文职部门清除了上千名公务员。He curled his upper lip in a show of scepticism.他撇嘴表示怀疑。...

n.永久（性）的( permanent的名词复数 )，稳定的，永恒的，常务的...

sperm whale的音标：sperm whale的英式发音音标为：[spɜ:m hweil]sperm whale的美式发音音标为：[spəm hwel]...

peripheral的近义词/同义词有：outer, circumjacent, circumferential, marginal, circumambient, circumscribing, encircling, ambient, environal, surrounding, outlying, circumfluent, unnecessary, unessential, minor, unimportant, superf...

n.不适宜，鲁莽，无礼，鲁莽，无礼，不合理( impertinency的名词复数 )...

impersonal的反义词有：personal, personal。adj.impersonal的反义词（非个人的;非人称的）：personal。impersonal的反义词（其他释义）：personal。...

desperate的音标：desperate的英式发音音标为：['despərət]desperate的美式发音音标为：['dɛspərɪt]...

Ethiopia, for instance uses the equivalent of just twenty kilos of oil per head a year.比如说，埃塞俄比亚每年的人均消费支出仅相当于20公斤的石油。By 1973 the government deficit equalled thirty per cent of GNP.到1973年，政府财政赤字相当于国民生产总值的30%。I agree with ...

The high street banks continue to prosper...商业街上的银行仍旧一派繁荣景象。The high street banks continue to prosper.商业街上的银行仍旧一派繁荣景象。They have been living on easy street since his business began to prosper.自从他的生意兴隆以来,他们一直过着优裕的生活.Ill-go...

hyperlinks的音标：hyperlinks的英式发音音标为：['haɪpəlɪnks]hyperlinks的美式发音音标为：['haɪpəlɪnks]...

paper的音标：paper的英式发音音标为：['peɪpə(r)]paper的美式发音音标为：['peɪpər]...

supernatural的反义词有：natural。adj.supernatural的反义词（超自然的;神奇的）：natural。...

A'use by'date must be stamped on all perishable goods.易腐产品都应标明保质期.Fruits are perishable in transit.水果在运送时容易腐烂.Raw eggs are highly perishable and must be chilled before and after cooking.生鸡蛋非常容易变质，烹制前后必须冷藏。...

upper的近义词/同义词有：higher, superior, greater, higher, over, superior, greater, stimulant, greater, superior, higher, higher, superior, over, stimulant, greater。adj.upper的近义词（较高的;上面的）：higher, superior, greater。upper的近义词（其他释义）...

perish的反义词有：survive, survive, remain。vt.perish的反义词（毁坏;使死去）：survive。perish的反义词（其他释义）：survive, remain。...

prosper的音标：prosper的英式发音音标为：['prɒspə(r)]prosper的美式发音音标为：['prɑspə(r)]...

superior的音标：superior的英式发音音标为：[su:'pɪəriə(r)]superior的美式发音音标为：[su'pɪriə(r)]...

Let the dog for a scamper.让狗出去跑一会吧.scamper home奔跑回家" And, discerning the scarlet letter on her breast, would scamper off with a strange, contagious fear. "待 到看清她胸前的红字, 便怀着一种害怕受到传染的奇异的恐惧, 迅速逃开了.Bundles of candles were pro...

wallpaper的第三人称单数（三单）为：wallpapers...

n.动产...

效率高的职员...

imperial的近义词/同义词有：magnificent, royal, majestic, supreme, regal, royal, purple, magnificent, supreme, sovereign, regal, majestic。adj.imperial的近义词（威严的;堂皇的）：magnificent, royal, majestic, supreme, regal。imperial的近义词（其他释义）：ro...

percentage的近义词有：percent, percentage。下面这两个名词均可表示"百分比"的含义：percent或per cent：系拉丁语per centum的缩略，通常和一个具体数字连用，指具体的百分比。percentage：不受数字修饰，不指具体的百分比，通常用在一些形容词或起形容词作用的词之后，可也单独使用。...

n.人格化，拟人化...