1. naval a. 海军的

　　It was unable to turn around at the West end of Chambers Field at the Norfolk Naval Station.

　　它是不能在诺福克海军的车站室领域的西繁华区回过头的。

　　2.navigation n. 航行

　　Navigation is difficult on this river because of the hidden rocks.

　　因为河上有暗礁，所以在这条河上航行很困难。

　　3.necessity n. 必需品;必要性

　　Necessity is the mother of invention.

　　需要是发明之母。

　　Water is of vital necessity in the desert.

　　在沙漠地区水是维持生命的必需品。

　　4. previous a. 先，前，以前的

　　It happened previous to his arrival there.

　　事件发生于他到那儿以前。

　　You must collect enough materials previous to your writing.

　　你在写作之前必须收集好足够的材料。

　　5. provision n. [pl.] 给养，口粮;准备，设备，装置

　　We set out with enough provisions.

　　我们带上足够的食品出发了。

　　6. pursue vt. 追逐;追求;从事，进行

　　Everyone has the freedom to pursue their dreams.

　　每个人都有追求各自梦想的自由。

　　She wishes to pursue a medical career.

　　她希望从事医学工作。

　　7.stale a. 不新鲜的，陈腐的

　　He always bought two loaves of stale bread.

　　他总是要买两个不新鲜的面包。

　　The males think the females have talent for telling stale tales.

　　男人认为女人有讲陈腐故事的才能。

　　8. substitute n. 代用品 vt. 代替

　　Water is not a proper substitute for wine.

　　水不是酒的适当代用品。

　　Only art can substitute for nature.

　　唯有艺术能代替自然。

　　9. deserve vt. 应受，应得，值得

　　He has done nothing to deserve death.

　　他没做过该受死刑的事。

　　You deserve a reward for being so helpful.

　　你帮了这么大的忙，理应受到奖励。

　　These proposals deserve careful study.

　　这些建议值得认真研究。

　　10. discrimination n. 歧视;辨别力

　　We should not have racial discrimination.

　　我们不该有种族歧视。

　　You should rely on your own discrimination.

　　你应该相信自己的眼力。