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CHAPTER II THE ICE IN THE BOTTLE

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 Hal and Mab were so excited at hearing their father speak about a new secret, that they could hardly eat their supper. There were so many questions they wanted to ask. But they managed to clear their plates, and then, when Mr. Blake had on his slippers1, and had put plenty of coal on the furnace, Hal climbed up on one knee, and Mab on the other.
 
"Now, Daddy, please tell us the secret," begged the little girl.
 
"And tell us what makes water freeze, and how it gets cold, and what makes us warm when we run," added Hal. "Sammie Jones is going to ask his father what makes it lightning in a thunder storm."
 
"My goodness me sakes alive, and some peanut candy!" cried Daddy Blake with a laugh. "What a lot of questions!"
 
"But the secret first, please," begged Mab.
 
"Well, let me see if it is going to be cold enough for me to tell you," said Mr. Blake. "It must be freezing cold, or the secret will be of no use."
 
Daddy Blake went to the door, outside of which hung an instrument called a thermometer. I guess you have seen them often enough. A thermometer is a glass tube, fastened to a piece of wood or perhaps tin, and inside is a thin, shiny column. This column is mercury, or quicksilver. Some thermometers have, instead of mercury, alcohol, colored red, so it can easily be seen.
 
You see mercury, or alcohol, will not freeze, except in much colder weather than you ever have where you live, unless you live at the North Pole. Up there it gets so cold that sometimes alcohol will became as thick as molasses, and then it is not of any use in a thermometer. But mercury will not freeze, even at the North Pole.
 
The word thermometer means something by which heat can be measured.
"Thermos2" is a Greek word, meaning heat, and "Meter" means to measure.
Though of course a thermometer will measure cold as well as heat.
"Is it cold enough?" asked Hal, as Daddy Blake came back from looking at the thermometer.
 
"Not quite," his father answered. "But the mercury is going down the tube."
 
"What makes it go down?" asked Mab.
 
"Well, let me think a minute, and I'll see if I can make it simple enough so you can understand," said Daddy Blake.
 
Those of you who have read the other "Daddy" books know how many things Mr. Blake told his children, and what good times Hal and Mab had with him. He was always taking them somewhere, and often one or the other of the children would call out:

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1 slippers oiPzHV     
n. 拖鞋
参考例句:
  • a pair of slippers 一双拖鞋
  • He kicked his slippers off and dropped on to the bed. 他踢掉了拖鞋,倒在床上。
2 thermos TqjyE     
n.保湿瓶,热水瓶
参考例句:
  • Can I borrow your thermos?我可以借用你的暖水瓶吗?
  • It's handy to have the thermos here.暖瓶放在这儿好拿。
3 crabs a26cc3db05581d7cfc36d59943c77523     
n.蟹( crab的名词复数 );阴虱寄生病;蟹肉v.捕蟹( crab的第三人称单数 )
参考例句:
  • As we walked along the seashore we saw lots of tiny crabs. 我们在海岸上散步时看到很多小蟹。 来自《简明英汉词典》
  • The fish and crabs scavenge for decaying tissue. 鱼和蟹搜寻腐烂的组织为食。 来自《简明英汉词典》
4 wagons ff97c19d76ea81bb4f2a97f2ff0025e7     
n.四轮的运货马车( wagon的名词复数 );铁路货车;小手推车
参考例句:
  • The wagons were hauled by horses. 那些货车是马拉的。
  • They drew their wagons into a laager and set up camp. 他们把马车围成一圈扎起营地。
5 swell IHnzB     
vi.膨胀,肿胀;增长,增强
参考例句:
  • The waves had taken on a deep swell.海浪汹涌。
  • His injured wrist began to swell.他那受伤的手腕开始肿了。
6 swells e5cc2e057ee1aff52e79fb6af45c685d     
增强( swell的第三人称单数 ); 肿胀; (使)凸出; 充满(激情)
参考例句:
  • The waters were heaving up in great swells. 河水正在急剧上升。
  • A barrel swells in the middle. 水桶中部隆起。
7 puffs cb3699ccb6e175dfc305ea6255d392d6     
n.吸( puff的名词复数 );(烟斗或香烟的)一吸;一缕(烟、蒸汽等);(呼吸或风的)呼v.使喷出( puff的第三人称单数 );喷着汽(或烟)移动;吹嘘;吹捧
参考例句:
  • We sat exchanging puffs from that wild pipe of his. 我们坐在那里,轮番抽着他那支野里野气的烟斗。 来自辞典例句
  • Puffs of steam and smoke came from the engine. 一股股蒸汽和烟雾从那火车头里冒出来。 来自辞典例句
8 cork VoPzp     
n.软木,软木塞
参考例句:
  • We heard the pop of a cork.我们听见瓶塞砰的一声打开。
  • Cork is a very buoyant material.软木是极易浮起的材料。
9 snugly e237690036f4089a212c2ecd0943d36e     
adv.紧贴地;贴身地;暖和舒适地;安适地
参考例句:
  • Jamie was snugly wrapped in a white woolen scarf. 杰米围着一条白色羊毛围巾舒适而暖和。 来自《简明英汉词典》
  • The farmyard was snugly sheltered with buildings on three sides. 这个农家院三面都有楼房,遮得很严实。 来自《简明英汉词典》
10 fixed JsKzzj     
adj.固定的,不变的,准备好的;(计算机)固定的
参考例句:
  • Have you two fixed on a date for the wedding yet?你们俩选定婚期了吗?
  • Once the aim is fixed,we should not change it arbitrarily.目标一旦确定,我们就不应该随意改变。
11 jingled 1ab15437500a7437cb07e32cfc02d932     
喝醉的
参考例句:
  • The bells jingled all the way. 一路上铃儿叮当响。
  • Coins in his pocket jingled as he walked. 走路时,他衣袋里的钱币丁当作响。
12 standing 2hCzgo     
n.持续,地位;adj.永久的,不动的,直立的,不流动的
参考例句:
  • After the earthquake only a few houses were left standing.地震过后只有几幢房屋还立着。
  • They're standing out against any change in the law.他们坚决反对对法律做任何修改。

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