英语听力精选进阶版 18016

 

Europe Migrant Crisis Deepens

FRIDAY

Europe's migrant crisis deepens, as other countries tighten¹ their borders.

1 tighten   

v.(使)变紧；(使)绷紧

参考例句：

• Turn the screw to the right to tighten it.向右转动螺钉把它拧紧。
• Some countries tighten monetary policy to avoid inflation.一些国家实行紧缩银根的货币政策，以避免通货膨胀。