2. collapse vi. 崩溃, 突然失败
例句：The company collapsed in its first year of trading.
公司开业第一年就倒闭了。
3. flock vi.群集, 成群结队而行
例句：People flocked to hear the new prophet.
人们成群结队地去听这新的预言家演讲。
4. ration vt.限量供应; 配给供应
例句：We were rationed to two eggs a day.
每天配给我们两个鸡蛋。
5. surge vi. 猛冲;激增
例句：Prices kept surging.
价格不断猛涨。
6. restriction n. 约束, 限制
例句：The park is open to the public without restriction.
这个公园对公众开放, 没有任何限制。
7. curb vt.限制, 克制, 抑制
例句：I began to curb my appetite for food and drink.
我开始节制饮食。
8. reflection n. 反映, 表达
例句：This is a reflection of their frailty.
这是他们虚弱的反映。
9. suppress vt.压制; 镇压；禁止发表, 查禁; 隐瞒
例句：Even the grave young woman could not suppress a smile.
连那个严肃的年轻妇女都禁不住笑了。
10. pledge vt. 保证, 许诺; 发誓
例句：He pledged never to come back until he had found her.
他发誓不找到她决不回来。
