More than a million Syrians have fled to Jordan in the past seven years, putting strains on an already weak economy.

在过去的七年里，一百多万叙利亚人逃到约旦。给本已疲弱的经济带来压力。

In the best of times it puts strain on our resources.

在最好的时候， 它会给我们的资源带来压力。

The rapid influx of people into cities has put strain on infrastructure, housing, and other urban services.

人口迅速涌入城市给基础设施、住房和其他城市服务带来了压力。

Over time, this causes wear and tear in your spinal discs, overworks certain ligaments and joints, and puts strain on muscles that stretch to accommodate your back's curved position.

长时间下来会造成椎间盘磨损、 过度操用部分韧带与关节，以及对延展以配合你微曲，背姿的肌肉造成压迫。