VOA慢速英语:Apple Announces New Tech

1.announce vt.宣布; 述说; 声称
例句：He will announce tonight that he is resigning from office
他将于今晚宣布辞职。

2.available adj.可获得的; 有空的; 可购得的; 能找到的
例句：Since 1978, the amount of money available to buy books has fallen by 17%
自1978年以来，可用于采购图书的经费已经减少了17%。

3.contact vt.使接触; 与…联系
例句：Opposition leaders are denying any contact with the government in Kabul
反对派领袖否认与喀布尔政府有任何联系。

4.perform vt.执行; 履行; 表演; 扮演
例句：We're looking for people of all ages who have performed outstanding acts of bravery, kindness or courage
我们正在寻找那些见义勇为、乐于助人、勇气可嘉的人，年龄不限。

5.fitness n.健康; 适当，适合; 合情理
例句：Physical activity is an important factor in maintaining fitness.
进行体育活动是保持身体健康的一个重要因素。