renew v. 重复
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pleading n. 恳求
gear [ɡɪə(r)] n. 汽车排档
astride [ə'straɪd] prep. 骑，跨
crack
n. 缝隙
zigzag ['zɪɡzæɡ] n. “之”字形
shallow adj. 浅的
grind (ground, ground) [ɡraɪnd] v. 磨擦
halt
n. 停
dashboard ['dæʃbɔːd] n. （汽车上的）仪
表盘
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rough [rʌf] adj. 粗糙的，崎岖不平的； 粗略的；粗暴的；不适的
adv. 粗暴地；粗糙地 n. 粗制品；暴徒 v. 使粗糙；殴打；草拟
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Write it in rough and then copy it.(n.) 先起草再誊写。
The gang decided to rough him up, as a warning
to others.(v.) 暴徒们决定揍他一顿，作为对别人的警告。
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boulder [‘bəʊldə(r)] n.大石块,大圆石， 巨砾 = bowlder
More Examples:
The children were playing in the sand pit. 孩子们在沙坑中玩耍。 Don't believe what he says. He's trying to dig a pit for you. 不要相信他的话。他在算计你。 He who digs a pit for others falls in himself. 害人反害己。 A fall into a pit, a gain in your wit. 吃一堑，长一智。
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He'd been sleeping rough for a week, in ditches
and haystacks. 他在沟里和草堆里露宿了一个星期。(adv.) I think that new singer is a diamond in the rough. 我觉得那个新歌手是块未经雕琢的玉。 (比喻外粗内秀) (n.)
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ominously ['ɒmɪnəsli] adv. 有预兆的，不
祥的
rip
v. 划破，撕，扯
petrol n. 汽油
stretch n. 一大片（平地或水）
obstacle n. 障碍
clump [klʌmp] n. 丛，簇
fissure ['fɪʃə(r)] n. （石，地的）深缝
PPT学习交流
Lesson 39
Nothing to worry about
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Contents
New Words Passage Reading Multiple Choice Questions
Summary Writing & Letter Writing
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rough
The ground was pitted by the heavy rain. 大雨使场地变得坑坑洼洼。 The managers want to pit the champion against an unknown. 经理们想让冠军与一名未成名的选手比赛。
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perturb [pə‘tɜːb] vt. 使不安，使烦恼
Her sudden appearance did not seem to perturb him in the least. 她的突然出现似乎一点也没有令他不安。
They perturb good social order with their lie and propaganda 他们以谎言和宣传扰乱良好的社会秩序
There is a boulder pavement in my garden. 我的花园中有一条砾石小径。
We hear the sound of the river rush past boulder below. 我们听到河水奔腾而过大圆s
pit vt. 使坑坑洼洼，使凹陷，使竞争 vi. 凹陷 (使用率少） n. 坑；矿井；陷阱；凹痕
adj. 崎岖不平的
boulder ['bəʊldə(r)] n.大石块
pit
v. 使得坑坑洼洼
perturb [pə'tɜːb] v. 使不安
underestimate v.低估
swerve [swɜːv] v. 急转变
scoop [skuːp] v.挖出
hammer v.（用锤）击打，锤打
PPT学习交流
PPT学习交流
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近义词辨析 (vt.）
upset/worry/agitate/disturb/plague/fret/ trouble/dismay
均有“使烦恼，使不安，使心烦意乱”之意。
perturb 书面语用词，指使人焦急烦恼，扰得心 情不安。 upset 最普通，最通俗用词，侧重失去精神上的 平静，心理上完全丧失平衡。 worry 表达不安的心情到了忧虑的程度 agitate 侧重指内心的焦虑，难于控制，表露于外。
The rough road made the car vibrate. 崎岖不平的道路使车颠簸得很厉害。(adj.) （~ ground 颠簸的道路，~ sea 波涛汹涌的海） You'd better give us a rough idea of your price. 您最好给我们一个粗略的价格。 (adj.) He's rough and uneducated, but his heart is in the right place. 他很粗鲁又没文化，可他心肠不坏。 (adj.) It is rough on him to work at Christmas. 他很倒霉，在耶诞节还要工作。 (adj.)