VOA常速英语:For Black Actresses, Few Oscar-Worthy Roles

2. lack n. 欠缺;不足;没有
例句：He cannot buy it because of his lack of money.
他因缺钱买不起这个。

3. portrayal n. 画像,描述;描写,扮演;描摹,表现
例句：She shows a full range of emotions in her portrayal of an ambitious politician.
她在扮演一位有抱负的政治家时表现出丰富的情感。

4. pillar n. 台柱, 栋梁
例句：He was a pillar of the club for over thirty years.
30多年来他一直是这个俱乐部的顶梁柱。

5. norm n. 标准, 规范
例句：Of his age, the child is above the norm in arithmetic.
在他那个年龄, 这个孩子的算术能力是超过标准的。

6. define vt.精确地解释; 界定；规定, 确定
例句：It's hard to define exactly what has changed.
很难解释清楚到底发生了什么变化。

7. niche n. 合适的位置〔工作等〕
例句：You can then find your own niche in public life.
那样你就可以在社会生活中找到适合于你的位置。

8. dare vt. 敢; 敢做
例句：I dare you to jump over the stream.
我谅你不敢跳过这条小河。

9. bleak adj. 阴冷的; 阴郁的, 凄凉的
例句：They showed me into a bleak waiting room.
他们引我来到一间阴冷的会客室。

10. model vt. 按模型制作;使模仿
例句：She models herself after her mother.
她以自己母亲为榜样。