permanent address永久地址
a permanent job固定职业
a permanent committee 常设委员会

12, voyage n.航程, 航空v.航海, 航行
a long journey by sea
they made a voyage across the Atlantic.
A plane crashed down when it voyaged through space

13, iron
n.铁, 熨斗, 坚强, 烙铁, 镣铐
vt.烫平, 熨, 用铁装备vi.烫衣服
a man of iron意志坚强的人; 铁面无私的人
the Iron Age【史】铁器时代
a smoothing iron熨斗
put sb. in irons给某人戴上镣铐
an iron will 坚强的意志
趁热打铁strike while iron is hot /Hold a wolf the iron is hot

14, aboard
adv.在船(飞机、车)上, 上船(飞机、车)
prep.在(船、飞机、车)上, 上(船、飞机、车)
they went aboard the ship
all aboard上船啦
go aboard上船 (上飞机等)
go on board上船; 上飞机, 上火车
be on board在[到]船、飞机或车上
go abroad

15, dislike vt.讨厌, 不喜欢 n.嫌恶
I have taken a strong dislike of [to, for] him.我极不喜欢他。
I dislike selfish people.我讨厌自私的人。
likes and dislikes爱好和厌恶
unlike adj.不同的, 不相似的prep.不象...,和...不同
For twins, they are very unlike.作为一对双胞胎，他们很不一样
She\'s unlike the rest of her family.她不同于她家里的其他成员

16, shore n.岸, 海滨, 支撑柱
off(the) shore离岸on the shore 在岸上, 在陆上
岸bank beach.海滩coast.海岸；海滨seaside 海滨(胜地) 海边

17, luggage n.行李, 皮箱
(=[美] baggage)行李
four pieces of luggage 四件行李
package n.包裹, 包belongings n.财产, 所有物, 相关事物, 亲戚

18, in public adv.当众, 公开地, 公然地 the public
in private

19, throw light upon/on 使某事非常清楚
can you throw light on the problem?
The modern scientific development has thrown light on this question.

20, brilliant adj.灿烂的, 闪耀的, 有才气的
brilliant achievements显赫的成就
a brilliant mind头脑敏锐的人
a brilliant scientist一位才华横溢的科学家(bright)

21, phenomenon n.现象(pl. -na)
A rainbow is a natural phenomenon.
a social phenomenon社会现象the phenomenon of nature自然现象
a phenomenon among musicians音乐界的奇才

22,hesitate v.犹豫, 踌躇, 不愿
hesitating adj.犹豫的, 踌躇的hesitatingly adv.支吾其词地, 踌躇地
hesitation n.犹豫, 踌躇
hesitate at nothing毫不犹豫地做某事(at about over sth doing sth)
In case you need something, please don\'t hesitate to ask me.
如果你需要什么东西, 请不客气地对我说。
He who hesitates is lost.[谚]当断不断, 必受其患。
Embarrassment caused me to hesitate.窘迫使得我(讲话)吞吞吐吐。

23,brainstormn.灵机一动v.集体讨论
brainstorm a more permanent solution to a problem
群策群力设法找到一个长期有效的解决办法

24, cut up v.切碎, 抨击, 歼灭, 使丧气, 胡闹

25.Labour creates the world.[u]


Unit 13
1,Cube n立方体；立方形；正六面体
The cube of 5 is 125. 5的立方是125。
The cube root of 27 is 3
Cubic adj.立方体的, 立方的a cubic meter 立方米
Square n.正方形 平方

2，sailor n.海员, 水手, 不大会晕船的人, 船员
sail v.航行(于) vi.启航, 开船n.帆, 篷, 航行
go sailing 坐船航行 marine舰队海洋的 mariner 水手

3， benefit n.利益, 好处vt.有益于, 有助于vi.受益do good to
a public benefit公益disability benefits残废抚恤金(pl)救济金
be of benefit to the people对人民有好处[U]
This dictionary will be of great benefit to me.这部字典将对我有很大裨益。
Exercise benefits our health.运动有益于我们的健康。
We benefit by [from] daily exercises.每天做操对我们有益。