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“出生率”的拼音为：chū shēng lǜ...
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boatrace的音标：boatrace的英式发音音标为：[bəʊt'reɪs]boatrace的美式发音音标为：[boʊt'reɪs]...
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n.密码使用法，密码系统，密码术...
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The president helicoptered to California yesterday.总统昨天乘直升飞机赴加州.The officials were helicoptered aboard the ship.官员们被用直升机送到船上.They helicoptered him aboard the ship.(他们用直升飞机把他送到船上. )...
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空肠切开术...
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但是马乔丽被铅锤的声响惊醒.Marjorie was, however , woken by the sound of plumbing.一种绑在一条窄木板上的铅锤线.A horizontal line plane at right angles to the plumb.用铅锤来检查从溴控制螺线管到溴供给器、从溴供给器到系统是否在一条直线上.Plumb from the BCD control solenoid to feeder a...
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Growing straight , so that the micropyle is at the end opposite the stalk. Used an ovule.直生的直立生长以至珠孔在茎的另一端的. 用于形容胚珠....
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n.变铀钍石...
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New World frogs; in some classifications essentially coextensive with the family Bufonidae.美洲蛙; 在某些分类中,基本上与蟾蜍科同延.the croaking of frogs蛙鸣Frogs produce slime to keep their skin moist.青蛙分泌出黏液来使皮肤保持湿润。This type of tongue , a...
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Electronic equipment quickly becomes obsolescent.电子设备淘汰得很快.This word is now obsolescent.这个字现在已废弃不用了.This type of computer is obsolescent.这类计算机是快要过时的....
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addressee的音标：addressee的英式发音音标为：[ˌædre'si:]addressee的美式发音音标为：[ˌædrɛ'si, əˌdrɛs'i]...
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modulated的音标：modulated的英式发音音标为：['mɒdjʊleɪtɪd]modulated的美式发音音标为：['mɒdjʊleɪtɪd]...
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It allows nicotine to diffuse slowly and steadily into the bloodstream.它能使尼古丁平稳缓慢地渗透到血液里。They injected the drug directly into her bloodstream.他们把药物直接注射到她的血液里。Red blood cells transport oxygen through the bloodstream.红细胞通过...
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doctrinarian的音标：doctrinarian的英式发音音标为：[ˌdɒktrɪ'neərɪən]doctrinarian的美式发音音标为：[ˌdɒktrɪ'nerɪrn]...