1.promise to 许诺

例句：The post office has promised to resume first class mail delivery to the area on Friday.

邮局承诺于星期五恢复对这个地区第一类邮件的递送c*&r]BeO(l|dH]UFi_rN。

2.migrant worker 农民工

例句：A migrant worker was drifting town from town, in search of work.

一个外来工在各个城镇四处奔走, 寻找工作(.I6gNbz7bL+,+^A9。

3.rural area 农村地区

例句：The Hefei rural area has a high prevalence of hypertension.

合肥市农村地区高血压患病率较高.

4.construction site 建筑工地

例句：The construction site was a hive of activity.

建筑工地上一片繁忙景象.