他们在使眼睛、头脑和肌肉协同动作方面提供宝贵的锻炼机会。
They gave us valuable practice in helping the eyes, brains and muscles to work together.
他们还在使眼睛、头脑和肌肉协同动作方面提供宝贵的锻炼机会。
They also give us valuable practice in helping the eyes, brain and muscles to work together.
若不加以协同动作来拯救水资源，人口增长和气候改变将会使更多的地方出现水源紧缺。
In the absence of concerted action to save water, the combination of population growth and climate change (bottom) will create scarcity far and wide.
若不加以协同动作来拯救水资源，人口增长和气候改变将会使更多的地方出现水源紧缺。
In the absence of concerted action to save water, the combination of population growth and climate change (bottom) will create scarcity far and wide.
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