Auxin, for instance, stimulates the rate of cell elongation, causes shoots to grow up and roots to grow down, and inhibits the growth of lateral shoots.

例如，生长素刺激细胞延伸的速度，促使芽和根生长，而抑制侧枝的生长。

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An OS that need not start with mobile phones, but could grow down into smartphones from the more familiar territory of business computers.

不一定要基于移动电话开发一款操作系统，也可以从微软更熟悉的商务电脑领域起步，逐渐进入智能手机市场。

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When you grow your own fruits and vegetables, you help cut down on pollution because big trucks don't need to take your food to shops.

当你自己种植水果和蔬菜时，你就可以帮助减少污染，因为不需要大卡车把你的食物运送到商店里去。

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Shadows grow long down the hill.

NPR: What's in a Song? 'Twilight'

Licensing is at an all-time high as companies struggle to grow in a down economy and speed time to market.

FORBES: State of the Intellectual Property (IP) Union

It takes a long time to grow and can burn down with a just touch of carelessness.

FORBES: You Can't Be a Great Leader Without Trust. Here's How You Build It