视频对话：
Ow! Those gears down there really hurt.
哦！下面的那些齿轮真的弄得我很痛啊。
本期学习词汇：
gear
n.齿轮；装置，工具；传动装置；（某一特定活动的）设备，服装；毒品；（尤指）海洛因
vi.接上；调和
vt.使适应；装上齿轮；用齿轮连接
V-PASSIVE使为…而准备；使为了达到…而作好准备
例句：
1. On hills, he must use low gears.
在山上，他必须挂低速挡。
2. The car was in fourth gear.
车挂的是四挡。
3. He put the truck in gear and drove on.
他把卡车挂上挡，继续往前开。
4. About 100 officers in riot gear were needed to break up the fight.
大约需要100名穿防暴服的警察前来制止这场斗殴。
5. They helped us put our gear back into the van.
他们帮我们把装备放回到小货车里。
6. I used to wear trendy gear but it just looked ridiculous.
我以前常穿新潮的衣服，但看上去却滑稽可笑。
7. Are these people using gear and amphetamines at the same time?
这些人同时服用海洛因和安非他明吗？
8. Colleges are not always geared to the needs of mature students.
大学有时满足不了成人学生的需求。
9. My training was geared towards winning gold in Munich.
我为了在慕尼黑夺取金牌而进行训练。