VOA慢速英语:美国股票向好 农民却在挣扎

n. 利润率;
[例句]The group had a net profit margin of 30% last year.
去年，这个集团的纯利润率为30%。
[其他] 复数：profit margins

2.Chicago Board of Trade

[词典] 芝加哥交易所;
[例句]The Chicago Board of Trade is the world's oldest futures and options exchange.
芝加哥商品交易所是世界上最老的期权和期货交易所。

3.dismal

adj. 忧郁的; 阴沉的，惨淡的，凄凉的;
n. 低落的情绪; <美>沼泽;
[例句]My prospects of returning to a suitable job are dismal
我重新找到一个合适的工作岗位的希望很渺茫。

4.livestock

n. 家畜，牲畜;
[例句]The heavy rains and flooding killed scores of livestock.
暴雨和大水淹死了许多牲口。

5.stuff

n. 材料，原料，资料; 〈俚〉钱，现金; 填充物; 素材资料;
vt. 塞满; 填塞; 让吃饱;
vi. 吃得过多;
[例句]I'd like some coffee, and I don't object to the powdered stuff if it's all you've got
我想来点咖啡，如果你只有速溶的那种也可以。

6.yield

vt. 屈服，投降; 生产; 获利; 不再反对;
vi. 放弃，屈服; 生利; 退让，退位;
n. 产量，产额; 投资的收益; 屈服，击穿; 产品;
[例句]Will she yield to growing pressure for her to retire?
面对要求其隐退的压力越来越大，她会屈服吗？

7.roller coaster

[词典] 过山车;
[例句]SAM: I was only interested in the Haunted House and the roller coaster rides.
山姆：我只喜欢鬼屋和云霄飞车。