1. unwilling adj.不情愿的，不愿意的;勉强的

she is unwilling to share anything with others.　(她不愿意与他人分享任何东西。)

He was unwilling to give up halfway even though there might be more difficulties ahead.

(尽管前面可能有许多困难，但他不愿意中途放弃。)

They got some unwilling assistance from the local government.　(地方政府勉强给了他们一些协助。)

2. equator n.赤道

3. bulge n.不规则突起;鼓起之处;(突然)上涨，增多

v.使膨胀;塞满

Between the bulge of South America and the bulge of Africa lies the narrowest place of the Atlantic Ocean. (大西洋的最狭窄处位于南美洲的突起处和非洲的突起处之间。)

The graph shows a bulge in the birth rate in the year of dragon.　(图表显示龙年出生率的暴增。)

4. unusual adj. 少有的;不寻常的;与众不同的，独特的

It was not unusual for him to work very late every night.　(每天工作到深夜对他来说是很平常的事。

5. salty adj. 咸的，含盐的 salt n. 盐;风趣 　　v. 用盐调味;用盐腌;撒盐于道路上

He didn’t have much for dinner as the dishes were too salty.　(他晚餐吃的不多，因为菜太咸了。)

It took them a long time to salt the main roads.　(他们花了好长时间才在主要公路上撒上盐。)

grind salt in sb.’s wounds 在某人伤口上撒盐，使某人痛上加痛

with a grain of salt　半信半疑地

Salt Lake City　盐湖城(美国尤他州州府)

请注意：形容词salty是由名词 salt加形容词后缀 -y构成的。这样的形容词在英语中还有很多，如：windy，snowy，rainy，cloudy，sunny，funny，muddy，foggy…

6. average n. 平均数，平均　　 adj. 平均的;平常的，普通的　　 v. 平均

The average of 5，7 and 9 is 7. (5，7，9的平均数是7.)

The average temperature yesterday was below zero.(昨天的平均气温在零度以下。)

He is an average student in his class.(他是班上的一般学生。)

7. spot n.地点，处所;点，斑点　 v. 点缀;认出;准确定位　 adj. 当场作出的;现付的

She toured many scenic spots during the holiday.(假日里她游览了许多风景胜地。)

She told us the exact spot where the accident happened.　(她把事故发生的准确地点告诉了我们)

His shoes are spotted with mud.(他的鞋子上有泥渍。)

She is so special， you can spot her in the crowd easily.　(她很特别，你在人群中能一眼认出她来。)

She was urged to make a spot decision.(她被催促当场做决定。)

on the spot　当场，在现场　　　in a spot　在困境中，在窘境中

put sb. on the spot　使某人处于难堪地位

put one’s finger on sb’s weak spot　指出某人性格上的弱点

spot check　抽样检查　　　spot survey 抽样调查

spotlight　聚光灯;汽车上的反光灯;公众注意中心

spot news　现场报道的新闻　　　spot price 现货价

8. range n. 山脉;幅度，范围 v.(在某范围内)变动，变化;把…排列成行

medium-range missile　中程导弹　　　wide range of interests　兴趣广泛

at close range　接近地　　　in/within range　在射程内

9. peak n. 山峰;顶点

The mountain peak is covered with snow all the year.(山峰终年积雪。)

His career is at its peak .　　(他的事业正处于鼎盛时期)

10. vessel n. 船，舰;容器，器皿

an ocean-going vessel　远洋轮

11. crew n. 全体船员，全体机务人员

The crew was (were) annoyed at the captain’s decision.(船员们对船长的决定感到恼火。)

The aircraft has a crew of 6.(这架飞机有6名机组人员。)