VOA慢速英语:Why Hands-Free Faucets May Be a Risk to Some Hospital Patients

词汇讲解：

1. faucet <美> 水龙头
例句：Water is dripping from that leaky faucet.
水正从漏水的笼头滴下来。

2. infection n. 传染，感染
例句：The injured wrist was swollen up with infection. 
感染使受伤的手腕肿了起来。 

3. bacteria n. 细菌
例句：A microscope magnifies bacteria so that they can be seen and studied. 
显微镜把细菌放大,使人们得以看见并研究它。

4. rarely adv. 不常，很少地
例句：She rarely went anywhere except to her office.
她除了去办公室以外, 很少去别的地方。

5. transplant n. （器官）移植
例句：Several of the patients had received kidney transplant.
病人中有几位已接受了肾移植手术。

6. manual adj. 用手的，手工的
例句：The school offers manual training to the pupils.
该校为学生开设手工课。

7. essentially adv. 本质上，根本上
例句：She is an essentially selfish person.
她本质上是个自私自利的人。

8. colony n. 聚居地，聚集地
例句：They live in an artists' colony.
他们住在艺术家聚居区。

9. coexist vi. 和平共处，同时共存
例句：Liquid and vapor phases cannot coexist in equilibrium. 
液相和气相不能在平衡中共存。 

10. persuade v. 说服，劝告
例句：I shall persuade him to take the medicine.
我将说服他把药吃下去。