1.replace v. 取代,代替
No one could replace him, but someone had to succeed him.
没有人能代替他,然而必须有人继承他 。
2.total adj. 总计的(金额等);全部的
What is your total estimated worth?
你的净资产总计大约有多少美元?
3.demographic adj. 人口统计学的;人口统计的
The situation is analogous to Stage I of the demographic transition theory.
这相当于人口过渡论的第一阶段 。
4.household adj. 家庭的,家内的,一家的; 日常的,家常的
Josh expects me to manage all the household expenses on very little.
乔希指望我对每笔家庭支出都精打细算 。
5.significant adj. 重要的;有意义的
The company looks poised to make a significant breakthrough in China.
这家公司看来很有把握在中国取得重大突破 。
6.tackle vt. 着手处理
Ecological groups say that nothing is being done to tackle the problem.
环境保护组织称目前并未采取任何行动处理这个问题 。