America's south is experiencing a record drought. So, too, is the horn of Africa, where a famine may impact millions of people.

美国南部正置身于创纪录的干旱当中，这可以称得上是非洲之角了，那里，可能有数千万人会遭受饥荒。

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Look at any of their skulls and it's easy to understand why scientists always surmised a singular, high-impact use for these appendages – headbutting, big-horn sheep style.

随便拿出任何一具这类恐龙的头骨化石，人们便不难理解为什么科学家们总是推想这就是一个用来冲撞的附件，好比大角羊那种风格的用头互抵。

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Therefore the design of ultrasonic horn is directly impact on the quality of ultrasonic machining.

因此超声变幅杆设计的优劣直接影响到超声加工的质量。

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If you needed proof of how much more we can achieve by working together than acting alone, our response to the food crisis in the Horn of Africa demonstrates the transformative impact of our partnership.

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The great Billie Holiday said she thought of herself as a horn when she delivered a tune, reshaping melody and words to increase their impact.

ECONOMIST: Jazz singers