Aluminum for delivery in three months increased 39 percent, on average, in the second quarter from a year earlier on the London Metal Exchange.

与去年2季度相比，伦敦金属交易所在这三个月中的铝交易量平均增长39%。

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Over the course of the one-year research, changes were observed in the plan and delivery of instruction as well as concept of science teaching of the three teachers who were involved.

历时一年，参与本研究的三位教师的教学方式和教学观念在行动前后有了明显的变化。

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Another three pregnant giant pandas are expected to delivery this year.

另三只大熊猫怀孕，预计今年交付。

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Research by Consumer Focus Scotland last year suggested that almost one in three people have difficulties getting their parcel because of inconvenient opening hours at local delivery offices.

BBC: Royal Mail postal worker