词汇是英语学习的基础，因此下面的高二英语Unit5重点词汇的大家一定要认真掌握，希望大家可以学好本课的知识点。

1. chat vi.&n. 聊天；闲聊

[典例]  

1). What were you chatting to him about?  2). I had a long chat with her (about her job).

[重点用法] 

chat to/with sb (about sth) = have a chat with sb (about sth) 与某人聊天、闲谈……

2. eastward adv. 向东  adj. 向东的；朝东的

[典例]  

1). They were traveling eastward(s) to the city which appeared in their dreams. 他们朝着东边向梦想中的城市进发。 

2). The plane flied in an eastward direction.  [词语归纳] 

eastward(s) adj./adv. 向东的，向东地      westward(s) adj./adv. 向西的，向西地

southward(s) adj./adv. 向南的，向南地  

northward(s) adj./adv. 向北的，向北地 

southeastward(s) adj./adv. 向东南的，向东南地  

northeastward(s) adj./adv. 向东北的，向东北地 

southwestward(s) adj./adv. 向西南的，向西南地  

northwestward(s) adj./adv. 向东北的，向东北地 

3. surround vt.&vi. 包围；围绕 surrounding adj. 周围的 surroundings (常用pl.)环境

[典例]  

1). Trees surround the pond.  

2). The house was surrounded by high walls.

 [重点用法] 

surround...with... 用……包围……         

be surrounded by/with... 周围都是……   

4. measure vi.&vt. 测量；衡量；判定  n.[c,u] 尺寸；量具；计量单位；措施

[典例] 

1). Can you measure accurately with this ruler? 用这把尺子能量得准吗?

2). It’ s hard to measure his ability when we haven’ t seen his work. 没有见过他的作品, 很难估计他的能力。

[重点用法] 

measure A by B 用B衡量A      sth. measures 2 metres by 4 metres 某物长4米宽2米 

measure sb. for a suit = make a suit to sb’ s measure 给某人量身做一套衣服