To map 100 mutants by this method would necessitate nearly 5,000 crosses.用这种方法来绘制100个突变型的遗传图就要做5000个杂交.The agglomeration and sintering of fine particles can necessitate a lowering in temperature of operation.由于微粒易于聚集和烧结,...

There are hefty charges across the board for one-way rental.各处对单程租赁的收费都很高。The President promised across-the-board tax cuts if re-elected.总统许诺如果能再次当选将采取全面的减税措施。It is very cold outside, you'd better come indoors acros...

daintiness的音标：daintiness的英式发音音标为：['deɪntɪnəs]daintiness的美式发音音标为：['deɪntɪnəs]...

无碱玻璃...

All commercial nuclear power is provided by fission at the present time.目前所有的商用核动力都是通过核裂变产生的.Caesium - 137 is a radioactive isotope, formed mainly through nuclear fission.铯-137是一种放射性同位素, 主要由核分裂产生.The fission of the cell ...

Many streams have flooded their banks, making some roads impassable.许多小河的水已经漫过堤岸，造成一些道路不能通行。The mud made the roads impassable.道路因为泥泞而无法通行.The avenue had never been paved, and deep mud made it impassable in winter.这条大街从未铺...

He took up a 10 year lease on the house at Rossie Priory.他签了一份10年租约，租下了罗茜大宅的房子。...

n.大元帅，最高统帅...

fuss的第三人称单数（三单）为：fusses...

erosiveness的音标：erosiveness的英式发音音标为：[ɪ'rəʊsɪvnəs]erosiveness的美式发音音标为：[ɪ'roʊsɪvnəs]...

assemble的一般过去时为：assembled...

liveness的音标：liveness的英式发音音标为：[laɪvnɪs]liveness的美式发音音标为：[laɪvnɪs]...

adv.令人难忘地，赫然...

maccessiable的音标：maccessiable的英式发音音标为：['mæksesaɪəbl]maccessiable的美式发音音标为：['mæksesaɪəbl]...

fisser的音标：fisser的英式发音音标为：['fɪsə]fisser的美式发音音标为：['fɪsə]...

n.相异...

n.护照，通行证，手段...

adj.无力的，无能的...

Sister Morrison might take issue with me on that matter.莫里森修女在那件事上或许会和我持不同意见。I will not take issue with the fact that we have a recession.我不否认经济衰退的事实。Eda: I would have to take issue with that, especially about sweets.埃达:...

Modern pharmacy has solved the problem of sleeplessness.现代制药学已经解决了失眠问题.Sleeplessness is sometimes the side effect of certain medications.失眠有时是某些药物产生的副作用。Strong coffee or tea late at night may cause sleeplessness.深夜喝浓咖啡或浓...

推成曲线...

adj.盲目的...

The center tramway portion depresses below the roadway elevation.中间电车道落低到车行道以下.I must admit the state of the country depresses me...我必须承认国家的现状让我倍感沮丧。A rise in oil prices depresses the car market.石油价格的上涨使汽车市场不景气.Wet weath...

transgressing的音标：...

ass的近义词有：donkey, ass。下面这两个名词都表示"驴"的含义：donkey：是普通常用词。ass：指驴时显得较古。...

unhappiness的音标：unhappiness的英式发音音标为：[ʌn'hæpɪnəs]unhappiness的美式发音音标为：[ʌn'hæpɪnɪs]...

It is of unexpectedness , imitativeness, changeableness and it is just blindly following.青少年偏差行为具有突发性 、 仿性 、 变性和盲从性等特点....

assurin的音标：assurin的英式发音音标为：[ə'ʃʊərɪn]assurin的美式发音音标为：[ə'ʃʊərɪn]...

音乐课...

comfortless的近义词/同义词有：cheerless, dismal, disconsolate, forlorn。adj.comfortless的近义词（令人不快的,郁郁不乐的）：cheerless, dismal。comfortless的近义词（沉闷的）：disconsolate, forlorn。...