VOA慢速英语:Learning First Aid: What to Do Until Medical Help Arrives

词汇讲解：

1. swallow v. 吞, 咽
例句：He swallowed without chewing.
他未经咀嚼就把食物咽下。

2. expel vt. 驱逐, 赶走, 把…除名, 把…开除; 排出
例句：The whale expelled water from his blowhole.
鲸鱼从鼻孔排出水。

3. choke v. 填塞; (使)窒息
例句：Leaves choked the drain.
树叶把阴沟塞住了。

4. pregnancy n. 怀孕; 妊娠
例句：This was her second pregnancy.
这是她第二次怀孕。

5. drown v. (使)淹没, (使)溺死
例句：How many men drowned when the boat capsized?
船翻时有多少人淹死了?

6. collapse vi. 崩溃, 突然失败
例句：His health collapsed from undernourishment.
他的身体因营养不良而垮了。

7. unconscious adj. 失去知觉的
例句：He injured his head and was unconscious for one hour.
他伤着了头部,一个小时没有知觉。

8. stoppage n. 停止, 中止
例句：All these stoppages are costing the company a fortune.
所有这些罢工事件使公司损失了一大笔财富。

9. bleed vi. 流血
例句：If you cut your finger, it will bleed.
如果你割破手指, 它会流血。

10. mixture n. 混合物
例句：She is mixing the mixture of flour and water.
她正在搅和面粉与水的混合物。