慢速英语:Why Do People Blink Their Eyes?(翻译)

音频下载[点击右键另存为]

1. involuntary adj.不由自主的; 无意识做出的
例句：Another surge of pain in my ankle caused me to give an involuntary shudder.
脚踝突然又一阵疼痛，痛得我直打哆嗦。

2. surround vt.包围，围绕
例句：A myriad of stars surround the moon.
众星拱月。

3. assistant n.助手，助理; [化学] （染色的） 助剂
例句：He chose George as his assistant.
他选择乔治做他的助手。

4. volunteer n.志愿者，志愿兵
例句：She now helps in a local school as a volunteer three days a week
目前她在当地的一家学校做志愿工作，一周去3天。