皮诺乔一眨眼就吃了一个梨，正要把梨核扔掉，杰佩托却抓住他的胳膊。
Pinocchio ate one pear in a twinkling and started to throw the core away, but Geppetto held his arm.
这种金属核赋予地球特有的磁场，在地球的历史上发挥了极其重要的作用。
This metallic core gives Earth its characteristic magnetic field, which has played an extremely important role in the history of our planet.
星期四美国国务卿约翰·克里与美国参议院议员就伊朗核协议进行了首次公开辩论。
Secretary of State John Kerry debated with members of the U.S. Senate Thursday in the first public hearing on the Iran nuclear deal.
重水之所以重是因为水中氢的重量是普通氢的两倍（它的原子核中有一个质子和一个中子，而不仅仅是一个质子）。
Heavy water is heavy because the hydrogen in it weighs twice as much as ordinary hydrogen (it has a proton and a neutron in its nucleus, instead of just a proton).
反核示威者认为，切尔诺贝利核电站核泄漏事故清楚地表明他们的反核运动是正确的。
Anti-nuclear protesters regarded the Chernobyl accident as a clear vindication of their campaign.
——严格履行核安全国际义务。
地球磁场由地球外核中的电流产生。
The Earth's magnetic field is generated by currents flowing in Earth's outer core.
——重视并积极参与国际核安全合作。
Value and take an active part in international cooperation on nuclear security.
第五，大力加强核安全，切实减少核风险。
Fifth, take strong measures to enhance nuclear security and reduce nuclear risks.
保证核材料安全——外交官与军人的共同使命。
Keeping nuclear materials safe-a job for diplomats as well as soldiers.
加强核安全符合各国共同利益，需要我们携手努力。
Enhanced nuclear security serves the interest of all countries and requires concerted action.
中方愿同各国分享做好重大活动核安全工作的经验。
China stands ready to share experience with other countries on nuclear security for important events.
第一，切实履行核安全的国家承诺和责任。
甚至可能辨认出如细胞核、线粒体、叶绿体等细胞结构。
It's even possible to make out structures within the cell, such as the nucleus, mitochondria and chloroplasts.
无论涉核与否，世界各地的冷却塔俨然已经成为发电站的象征。
Cooling towers have come to symbolize power plants - nuclear or not - around the world.
顺势而为，全球零核于2010年2月在巴黎召开会议。
With wind in its sails, Global Zero met in Paris in February 2010.
更重要的是，这些区域包括掌管生物钟的视交叉上核。
More important, these regions included the suprachiasmatic area, which is home to the body's circadian clock.
核聚变中，小原子核相互碰撞，形成大原子核，释放能量。
Fusion involves colliding small atomic nuclei together to form larger ones, and thus releasing energy.
当睡眠压力增加时，视交叉上核会发送信号以提高警觉性。
This area sends signals to boost alertness as the pressure to sleep mounts.
中方鼓励伊继续与机构全面合作，增进国际社会对其和平核活动的信任。
The Chinese side encourages Iran to continue its full cooperation with the Agency so as to increase confidence of the international community in its peaceful nuclear activities.
核管理委员会不仅签发核运营许可证，还负责该行业的安全监督。
The NRC not only gives out nuclear licenses but is the industry safety watchdog.
从最通俗的角度讲，核反应实质上就是发生在原子核中的一种反应过程。
A nuclear reaction is at its most basic nothing more than a reaction process that occurs in an atomic nucleus.
今天，对核安全和不扩散，以及对美俄关系而言，都是一个重要的里程碑。
Today is an important milestone for nuclear security and non-proliferation, and for U.S.-Russia relations.
今天，对核安全和不扩散，以及对美俄关系而言，都是一个重要的里程碑。
Today is an important milestone for nuclear security and non-proliferation, and for U.S.-Russia relations.
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