these arrow- and spearheads were found in the desert in northern new mexico.

1、

soon, panzer spearheads were closing around their prey.

很快，装甲先头部队就从周围接近了他们的猎物。

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2、

these spearheads are the firmest evidence yet found for the first human beings to inhabit america.

这些矛头是有史以来证明美洲首批人类定居踪迹的最有力证物。

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3、

they unloaded their 100 tanks and headed east to intercept russian spearheads advancing westwards along the south bank of the danube.

他们在多瑙河南岸基图苏军先头部队的战斗中损失了100辆坦克。

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4、

at un summits on sustainable development, financing for development and the information society, icc spearheads the business contribution.

在联合国峰会关于发展和信息社会的可持续发展和融资方面，国际商会充当了商务活动的先头部队。

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5、

safety of methacholine in bronchial provocation test for infants

乙酰甲胆碱在婴幼儿支气管激发试验中的安全性分析

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6、

the effect of leukotriene antagonist on the parameters of dose-response curve obtained after methacholine challenge test

白三烯受体拮抗剂对乙酰甲胆碱支气管激发试验剂量-反应曲线参数的影响

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7、

individuals with asthma also have enhanced airway responsiveness to methacholine and diminished airway hydration.

哮喘个体也增加了气道对乙酰胆碱的易反应性，减少了气道水合作用。

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8、

a methacholine challenge test will indicate asthma, but it may require the use of a special facility.

醋甲胆碱激发试验可辅助诊断哮喘，但该试验须要使用一种特殊设备。

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9、

a bronchodilator (airway-opening drug) is always given at the end of the test to reverse the effects of the methacholine.

在该试验结束的时候，你还要吸入一种支气管扩张剂（开放气道的药物）以拮抗醋甲胆碱的作用。

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10、

changes of the microtubule arrays during mitosis in prothallus cells of dryopteris crassirhizoma

粗茎鳞毛蕨原叶体细胞有丝分裂过程中微管列阵的变化

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11、

equisetum class prothallus of cushion-like, with upright branches of the ribbon, green self-supporting;

木贼类的原叶体为垫状，具直立的带状分枝，绿色自养；

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12、

in vascular plants the diploid sporophyte is the dominant phase and in the ferns, for example, the gametophyte is a small prothallus.

在维管植物（蕨类）中二倍体的孢子体占生活史的主要部分，配子体仅为原叶体。

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13、

archegonial neck usually inclines or curves towards the base of the prothallus at maturity.

颈卵器成熟后，颈部常向原叶体基部倾斜或弯曲。

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14、

true prothallus of ferns are mostly heart-shaped, green self-supporting, while others showed filamentous or ribbon.

真蕨类的原叶体多为心形，绿色自养，也有的呈丝状或带状。

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15、

in homosporous plants, there is only one type of prothallus with both male and female sex organs.

在具同形孢子的植物中，只有一种雌雄性器官兼备的原叶体类型。

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16、

australian graham barker has extracted his own bellybutton fluff every day since 1984, collecting a world record 0. 54 ounces.

澳大利亚的格雷厄姆·巴克尔从1984年开始每天收集自己肚脐上的软毛，现已收集了创世界纪录的0.54盎司。

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17、

almost all women will notice a dark line form from their bellybutton down to their pelvis called the "linea negra. "

几乎所有的女性都会看到一条从肚脐往下到骨盆位置形成了一条被称做“黑中线”的暗线。

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18、

with the bellybutton ring? -i know.

穿了肚脐环的那个？我知道

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19、

why is bellybutton lint blue?

为什么肚脐上的线是蓝色的？

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20、

pull your bellybutton into your spine.

原句为使肚脐向脊椎贴近。

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