1. release vt. 释放,解放
例句:Release the dog. He has been chained up for hours.
放开这条狗。它已被拴了好几小时了。
2. external adj. 外面的,外部的
例句:They did it in response to external pressures.
他们这么做是迫于外界的压力。
3. crisis n. 危机;紧急关头;转折点
例句:The economic crisis lasted for several years.
经济危机持续了好几年。
4. region n. 地区,地带
例句:I prefer to live in a cold region.
我宁愿住在寒冷的地区。
5. issue vt. 发行;发布
例句:The post office issued the stamps last week.
上星期邮局发行了这些邮票。
6. estate n. 财产,资产;遗产
例句:When his father died, he left an estate of one milliondollars.
他父亲去世时留下了一百万元遗产。