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why do we see the lighting first, then hear the thunder rolls?
nick’s answer: because our eyes are before ears.
一次物理考试
在一次物理考试时，当同学们都还在苦思冥想时，尼克很快就答好了第一个问题。
这个问题是：为什么在打雷时，我们总是先看到闪电后听到雷声？
尼克的回答是：因为眼睛在前，耳朵在后。 9
too fast or too slow
a man was driving at 130 miles an hour when a policeman overtook him.”was i driving too fast, officer?” the man asked. ”no,” the policeman answered,” you were flying too slow.” 太慢或太快
一个男人正在以130英里每小时的速度行驶，当一个警察看见他时，他问：
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“我开的太快了吗？警官。”
“不”，警察说，“你飞的太慢了。” 10good boy
little robert asked his mother for two cents. “what did you do with the money i gave you yesterday?”
”i gave it to a poor old woman,” he answered.
”you’re a good boy,” said the mother proudly. “here are two cents more. but why are you so interested in the old woman?” ”she is the one who sells the candy.” 好孩子
小罗伯特向妈妈要两分钱。 “昨天给你的钱干什么了？”
“我给了一个可怜的老太婆，”他回答说。 “你真是个好孩子，”妈妈骄傲地说。“再给你两分钱。可你为什么对那位老太太那么感兴趣呢？” “她是个卖糖果的。” 11nest and hair
my sister, a primary school teacher,
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was informed by one of her pupils that a bird had built its nest in the tree outside the classroom.
”what kind of bird?” my sister asked. ”i didn’t see the bird, ma’ am, only the nest,” replied the child.
”then, can you give us a description of the nest?” my sister encouraged her .”well, ma’am, it just resembles your hair. “ notes:
inform v.告诉 nest n.窝；巢 description n.描述 encourage v.鼓励
resemble v. 相似；类似 鸟窝与头发
我姐姐是一位小学老师。一次一个学生告诉她说一只鸟儿在教室外 的树上垒了个窝。
“是什么鸟呢？”我姐姐问她。
“我没看到鸟儿，老师，只看到鸟
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窝。”那孩子回答说。
“那么，你能给我们描述一下这个鸟巢吗？”我姐姐鼓励她道。
“哦，老师，就像你的头发一样。” 主题： 翻译
1、man marine diesel engine man the latest large bore two storke man, engine is the ksz 90/163b series in cylinder number from 6 to 12 and developing2,700kw/cyl. the engine operates at 122r/min, with an m.e.p of 13bar and a mean piston speed of 6.5m/s. the bedplate is of fabricated design and consists of weo i-shaped longitudinal girders with transverse menbers into which the cast steel bearing housings are welded. the thrust bearing casting is incorporated into the bedplate.
columns have been replaced by frames constructed of box shaped longitudinal girders. thew fabricated top and bottom sections run the full length of
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the engine and are mounted on the bedplate. such an engine frame helps to stiffen the engine and so protect the bearings from the deformation forces transmitted via the ship’s double bottom. the cast iron guideways for the crosshead are attached to the top section and seal off the crankcase.
the cylinder jackets are individual castings bolted together to form one
continuous member. the one piece cylinder liners are fitted into the jackets from the top and a cast steel strong back is fitted in way of the combustion space to help absorb gas forces. the scavenge process is the man loop system and the scavenge and wxhaust ports are arranged in two tiers and are carried far around the liner. the vertical lands between the ports are cooled by water passing hrough cast in tubes and hence to passages arranged around the liner above the exhaust ports.
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短片英语演讲稿(精选多篇)
