随着这些测试的完成，波音787正在为下一阶段的中期挑战测试作准备。

Following completion of these tests, the 787 is now being prepared for the next phase which is the intermediate gauntlet.

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目前这个项目正在施工的准备阶段。

At present, the project is in preparation for construction.

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青春通常是12岁到30岁之间这一阶段，此时青少年正在为准备步入社会。

It is a phase, usually from the age of 12 to 30, when teenagers and young people prepare themselves for society.

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