1.confine
[kən’faɪn] vt.限制,禁闭 n. 界限,限制
Cancers are not confined to old people.
癌症不限于老人。
2
refine
[rɪ’faɪn] vt. 精炼,精制,改善
Crude oil is industrially refined to purify it.
原油要经过工业精炼提纯。
3
*define
[dɪ’faɪn] vt. 定义,使明确
definition n. 定义
definite adj. 一定的,确切的
4
*restrict
[rɪ’strɪkt] vt. 限制
to restrict the sales of alcohol/guns 限制酒水/枪支的买卖
Having small children really restricts your social life.
有了孩子真得会限制你的社交。
5
*limit
[‘lɪmɪt] vt. 限制 n. 限制,界线
high limit 上限
I have to limit my talk to 20 minutes.
我必须把谈话限制在20分钟以内。
6
*restrain
[rɪ’streɪn] vt. 抑制,控制
You should try to restrain your ambitions and be more realistic.
你要试着控制自己的野心,变得现实一些。
Growth in car ownership could be restrained by increasing taxes.
私家车的增长可以通过增加税收进行控制。
7
constrain
[kən’streɪn] vt. 约束,限制
Rising energy costs are constraining consumer and business spending.
不断上涨的能源成本限制了消费者和企业支出。
8
refrain
[rɪ’freɪn] vi. 节制,克制
She refrained from making no comment.
她忍住了没做任何评论。
9
*curb
[kɜːb] vt. /n. 控制,勒住
curb the spread of AIDS 控制艾滋病的蔓延
strict curbs on immigration 对移民的严格控制