因此，法国航天局筹划发射一个任务卫星，用以测量太阳的精确直径并观测变化，而卫星的名字巧妙地命名为“Picard”。

So the French space agency has designed a mission, aptly named Picard, to return precise measurements of the sun's diameter and look for changes.

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如果一个100英尺直径的小行星撞击地球，它在大气中爆炸产生的冲击波可以令数百平方英里内所有的树木倒伏，并杀死所有的大型动物。

If a 100-foot-wide asteroid hit Earth, the shock wave from its explosion in the atmosphere could flatten trees and kill every large animal for hundreds of square miles.

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多个直径12英寸的布套膨胀弯曲成合适的形状用塑料树脂增强然后并排安装并填充混凝土像巨型通心粉似的。

These are 12-inch-diameter tubes that have been inflated, bent to the proper shape and stiffened with a plastic resin, then installed side by side and stuffed with concrete, like giant manicotti.

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