parts that make
it whole.
四分之一是四个完整相等且凑成整体的部分。
This stopwatch shows that a quarter of a minute has passed.
这块秒表显示已经过去了十五秒。
The time now is a quarter past twelve.
现在的时间是十二点一刻。
63 engage /In'gerd3/
v. 吸引住（注意力、兴趣）；加入，参加（活
动）；雇，聘；（军队）交战；啮合；使从事；参加；使订婚；占用（时间、精力等）；答应；使忙碌；与......建立密切关系
engage in 参与；从事
engage with 与……建立密切关系，结合
engage to 和……订婚；致力于
engage for 保证
engage on 从事；开始
They are engaging in scientific research.
他们从事于科学研究。
She used to exercise alone, but now she
engages in the group running.
她过去常常独自锻炼，但现在她加入了集体跑步的行列。
64 crime /kram/
n. 犯罪活动；罪行；违反道德的行为，罪过
v.判定犯罪；处罚军事犯
The police are investigating the crime scene.
警方正在调查犯罪现场。
The police are working at the crime scene.
警察正在犯罪现场工作。
They are committing a crime in the old
couple's house.
他们在这对老夫妇的家里实施犯罪。
Those who commit crimes must be severely
punished. 那些罪犯必须受到严惩。
crime team 犯罪团伙
organized crime 集团犯罪；有组织犯罪
crime rate 犯罪率
violent crime 暴力犯罪
commit crime 犯罪
65 reverse /ri'v3:rs/
N 失败，挫折，倒退；逆向，逆转；相反情况
Adj 相反的；反面的；颠倒的
V 倒（车）；颠倒，反转（顺序）；使...逆转；撤销，废除
It takes effort to reverse the trend.
要扭转这种趋势需要下点功夫
reverse arms 倒枪
reverse 反向涂鸦
in reverse 相反
reverse side 反面，背面
forward and reverse 正反向
66 graffiti /gre'fisti/ N 涂鸦；胡写乱画
Colorful graffiti has been painted onto this
wall. 五颜六色的涂鸦被画在墙上。
These graffiti are the evidence of true love.
这些涂鸦是真爱的证明。
67 brush
v. 抹；刷牙；刷；涂；写，画/拭去；掠过;擦
n. 画笔，笔刷；刷子；刷状物; 小冲突
Brushes of different sizes may be applied in
different situations.
不同尺寸的画笔可以用于不同的情况。
There are four different brushes.
这儿有四支不一样的画笔。
The four brushes are used for painting.
这四支画笔是用来画画的。
Each brush is used for something different.
每支笔刷都有不同用处。
68 hose /houz/
n. 输水软管
v.用水管冲洗（汽车等）
Firemen pointed the hose at the fire, hoping
to put it out.
消防队员把水管对准着火处，希望把火扑灭。
69 attention
n. 专心，注意力；兴趣，关注；注意
int.立正，注意
Only one student in the class was paying attention to what the teacher was saying.
班上只有一个学生在专心听老师讲课。
70 pollution /pe'lu:Jn/
n.污染；噪音污染，光污染；污染物
Pollution from the factories made the sky turn
gray.工厂带来的污染使天空变成了灰色。
Sea pollution is a threat to the sea creatures.
对于海洋生物来说，海水污染是一大威胁。
Water pollution is quite serious in this area.
这片地区的水污染很严重。
71 tunnel
n. 隧道，地道，地下通道
v.挖地道
We walked through the old tunnel, and hoped
it would not collapse.
我们穿过这条古老的隧道，希望它不会倒塌。
The tunnel is long and dark.
这条隧道又长又暗。
The man dug a tunnel, trying to find the gold
mine.这个男人挖了一条地道，企图找到金矿。
The man is dugging a tunnel trying to find the
gold mine.
这个男人挖了一条地道，企图找到金矿。
72 skull n. 头颅，颅骨；脑瓜；骷髅画
The human skull protects the organs in our
head. 人类的头骨保护着头部内的器官
73 planet n 行星
There are 8 major planets in our solar system.
太阳系中有八大行星。
Some people call earth "the blue planet".
有些人把地球称为“蓝色的星球”。
74 motorist n. 驾车旅行的人，开汽车的人
As a regular motorist, I always buy really
comfortable cars.
作为一个经常驾车旅行的人，我总是买真正舒适的车。
75 consequently adv. 因此，结果；所以
She studied hard and consequently got high
marks.她努力学习，因此得到了高分。
76 authority
n. 权威，威信；当局，官方；权力，职权；当
局；当权者；权威人士；专家
local authority 地方当局
administrative authority 行政当局
in authority 有权；持有权力的地位
by the authority of 以……的权力
authority control 权限控制
The old man is an authority in Chinese
medicine. 这位老人是中医方面的权威人士。
The authority declared that catmint would be
banned completely in three months.
当局宣称猫薄荷将在三个月后被全面禁止。
The local authority declared that catmint
would be banned completely in three months.
地方当局宣称猫薄荷将在三个月后被全面禁止。
The authority will ban catmint in three
months. 当局会在三个月内禁用猫薄荷。
In ancient times, the emperor had the highest
authority. 在古代，皇帝拥有至高无上的威严。