Rapid population growth is straining the supply of usable water.

人口迅速增长使可用水供应紧张。

Obama’s stimulus package was meant to alleviate the straining economy.

奥巴马的经济刺激计划旨在缓解经济紧缩。

He burst to the surface, straining for air.

他冲出水面，使劲吸气。

People were straining to see what was going on.

人们翘首企足看发生了什么事。

His constant complaints were straining our patience.

他没完没了的抱怨让我们忍无可忍。

Like all youngsters, he's straining at the leash to leave home.

跟所有年轻人一样，他也急于从家里出去。

The dogs were straining at the leash , eager to get to the park.

几条狗用力拽着皮带，急于要去公园。