1、prospect 前景、景象
eg:The state of things holds out a cheerful prospect.
事情呈现出可喜的态势。
2、subsidiary 子公司、附属公司; 辅助的;
eg:subsidiary course 辅修课程
3、drastically 大大地、彻底地
4、submerge 淹没、沉没
5、debris 碎片,残渣
6、extraction 取出、抽出
7、increasing national income = a big export earner