official
adj. 官方的；正式的；公务的
n. 官员；公务员
Our official response should be that this is nothing to do with us.
我们的正式回应是，这件事跟我们毫无关系。
voyage
n. 航行；航程；旅行记
vi. 航行；航海
On the long voyage the men saw many sharks and some whales.
在这长长的航行中，他们看到了许多鲨鱼和一些鲸鱼。
Bon voyage 一路顺风
because & because of
因为
because of 是复合介词。
because 是从属连词，引导原因状语从句。
⑴ He came late to school again________ he got up too late.
⑵ The girl cried _________ what the teacher said.
⑶ we have to cancel our trip _________ the bad weather
because
because of because of
因为你的关心，我发现生活充满了希望。
1）Because you are concerned about me, I find that life is full of hope.
2）Because of your concern, I find that life is full of hope.
因为雨下得很大，那个男孩穿过树林回家了。
1）Because it rained heavily, the boy went back home through the woods.
2）Because of the heavy rain, the boy went back home through the woods.
native
adj. 本地的，出生地的；n. 本地人
be native to... 原产于某地
a native of 当地人/产于……的动/植物
(1)China is our ____________， and Chinese is our ____________. 中国是我们的祖国，汉语是我们的母语。
(2)The tiger __________________ India.
这种虎产于印度。
(3)He is __________________ Beijing.他是北京人。
native country native language is native to
a native of
come up走近；上来；提出
1). The little came up to the stranger and showed him how to get to the police station.
小男孩向陌生人走去，并告诉他去警察局的路。
3). It is certain that the question will come up at the meeting.
这个问题在会议上一定会被提出来的。
come across邂逅
come about发生
come at向…扑来,攻击
come from 来自
come out 出版;开花；结果是
come up with想出
come round 绕道而来
come down落下,塌下
1). The hunter walked across the forest when suddenly a bear _______ him.
2). The magazine __________ once a month.
3). I wish you can ___________ to England on your holiday.
4). The engineers has ______________ new ways of saving energy.
5). They ___________ an old school friend in the street this morning.
came at comes out come over come up with
came across
actually
adv.事实上,实际上 She looks young, but she is actually 50.
base
以……为根据n. 基础，基地
be based on/upon… 以……为根据
What I said is based on facts.
The harbour is an important naval base.
该港是一个重要的海军基地。
at present =at the moment 现在，目前
"Are you busy?" "Not at present."
At present she's working abroad.
I have no enough material in hand at present.
目前我手头没有足够的资料。
gradually adv.逐渐地
Gradually a smile reappeared on her face. 她的脸上逐渐又露出了笑容。
make use of 利用；使用
1). You ought to make good use of any opportunity to practice English. 你应该好好利用机会练习英语。
make good use of 好好利用 make full use of 充分利用
1). 要充分利用一切机会说英语。2). 我们要很好地发挥她的才能。
1). Make full use of every chance you have to speak English.
2). We will make good use of her talents.
latter
adj. 后者的；后面的；
They chose the latter.
他们选择了后者。
As for me, I agree with the latter opinion.
就我看来，我同意后者的意见。
fluent
adj. 流利的；流畅的
She’s fluent in French.
fluency n. 流利
such as例如；像这种的
1). Such poets as Keats and Shelley wrote Romantic poetry.
有些诗人, 如济慈和雪莱, 写的是浪漫主义的诗歌
2). Wild flowers such as orchids and primroses are becoming rare.
兰花和报春花之类的野花越来越少了.
for example, such as, like 区别 for example意思是 举个例子来说,... 一般只举同类人或物中的“一个” 为例，作插入语，用逗号隔开，可 置于句首、句中、句末； such as意思是 比如…，后面不加逗 号,直接列举同类人或物中的几个例 子，不能穷尽，可和and so on连用； like表示列举，可和such as互换。
1). I like drinks __________ tea and soda.
2). The report is incomplete; it doesn’t include sales in France, ________.
such as
for example
frequently
adv. 频繁地，经常地
Please write to me frequently.
请经常给我来信。
Frequency n. 频率
command
v.命令，指挥，统率 n.命令；指挥(权)
command sb. to do sth.命令某人做某 事
be under the command of 由…指挥,由…控制
be in command of 控制…
be at one’s command 听任某人支配
have / take command of… 指挥…
1). For the first time in years, she felt ______ command of her life.
2). The army is __________ the king’s direct command.
3). The police arrived and took command ________ the situation.
of under in Command that sb (should) do 命令某人做某事
[特别提醒] command后接that从句时要用虚拟语气
request n.& v. 请求；要求
request sb.to do sth.要求某人做某事
request that sb (should) do 要求某人做某事
1). Your requests will be granted. 你的请求能够获准。
2). I requested him to help. 我请求他帮忙。
⑴ He requested me ________ (write) a letter of recommendation.
⑵ He requested that I ________________(write) a letter of recommendation. ⑶ The passengers _____________(request) to show their passports.
to write (should write) are requested
play a part (in)
扮演一个角色；参与
–Her suggestions play a very important part in our decision-making.
她的建议在我们的决定中起了很重要的作用。
–He has played all kinds of roles in his life.
他一生中扮演了各种各样的角色。
recognize
vt. 辨认出；承认；公认
1). I recognized her by her red hat. 我根据她的红色帽子认出了她。
recognize…as sth 承认某人/某事物是
recognize…to be 承认…是
recognize +宾语从句that 意识到；承认
⑴I recognize him______________________. (他是个聪明人).
⑵Though they hadn’t met for many years，they _________ (认出了对方)at the first sight.
as a smart person
recognized each other
Straight
adj.笔直的；正直的 adv. 直接；挺直
1). This is a straight road. 这是一条直路。
2). She went straight from school to university.
她中学一毕业就马上进了大学。
block
vt. 堵塞；阻碍n. 街区；木块；石块
1). He lives three blocks away from here. 他住的地方与此处相隔三条街.
2). A large crowd blocked the corridors and exits. 人群把走廊和出口都堵死了
a block of 一大块block up 堵塞；阻碍