Oil prices have more than doubled from the low point they hit in the spring, but are still around half the all-time high of nearly $150 a barrel they reached in early summer last year.

比起今春的价格低谷，油价如今已涨了一倍多，但这仍只是去年初夏创纪录的每桶近150美元价格的一半左右。

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The corresponding upgrading models were: spring wooden barrel model, strategy coalition model and virtual enterprise model.

对应的提升模式采用弹簧木桶模式、战略联盟模式和虚拟企业模式。

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The barrel began to spring a leak .

那个木桶开始破裂泄漏了。

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Unfortunately, the Leica's take-up spool needs a long tapering tongue of film, which users must wedge under a spring clip on the spool's barrel before manually wrapping a few turns of film around it.

ECONOMIST: A die-hard analog photographer goes digital

At night people gather again on the hill to light a wooden barrel, the Tonnekensbrand, to celebrate the arrival of spring.

UNESCO: Culture

After Parker's rapturous February 2001 review--his educated palate really was assessing grape juice from a barrel--futures went on sale in June 2001 for cases that will be delivered in spring 2003.

FORBES: Magazine Article