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[时差N小时] 时差N小时:人们为什么恐惧牙医?(下)
I hate going to the dentist. In fact, I openly fear it.我很讨厌看牙医。实际上,我感到很害怕。2017-12-27 编辑:clover
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[时差N小时] 时差N小时:雪橇犬究竟是什么品种?(上)
Although not pure bred, every sled dog must be carefully bred for life on the trail.尽管并非纯种,但是每条雪橇犬都经过精心喂养才能拉雪橇。2018-01-02 编辑:clover
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[时差N小时] 时差N小时:雪橇犬究竟是什么品种?(下)
In competitive dog-sledding, dogs usually weigh less than 55 pounds and can comfortably trot over 70 miles a day在雪橇犬的竞技中,通常体重不到55磅的狗狗每天可轻松跑70英里。2018-01-03 编辑:clover
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[时差N小时] 时差N小时:科学如何解释厌倦?(上)
Interesting question. Boredom is one of those really common things that, partly because it’s so common, is rarely investigated with much rigor.厌倦是一个普遍存在的现象,因为其过于普遍,人们很少花费时间、精力进行调查研究。2018-01-08 编辑:clover
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[时差N小时] 时差N小时:科学如何解释厌倦?(下)
Interesting question. Boredom is one of those really common things that, partly because it’s so common, is rarely investigated with much rigor.厌倦是一个普遍存在的现象,因为其过于普遍,人们很少花费时间、精力进行调查研究。2018-01-09 编辑:clover
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[时差N小时] 时差N小时:尼亚加拉大瀑布正在消失(上)
Niagara Falls has been a famous honeymoon spot for over a hundred years: 一百多年来,尼亚加拉大瀑布一直是著名的蜜月旅行圣地:2018-01-10 编辑:clover
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[时差N小时] 时差N小时:尼亚加拉大瀑布正在消失(下)
Niagara is the second largest waterfall in the world.尼亚加拉大瀑布是全球第二大瀑布。2018-01-11 编辑:clover
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[时差N小时] 时差N小时:富兰克林与电荷试验(上)
When they hear the name Ben Franklin, many folks think of the Declaration of Independence, the Continental Congress and things like that.听到本杰明-富兰克林这个名字时,很多人首先会想到《独立宣言》,大陆会议等事件。2018-01-15 编辑:clover
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[时差N小时] 时差N小时:富兰克林与电荷试验(下)
Electrons are tiny, negatively charged particles.电子是微小的带负电荷的粒子。2018-01-16 编辑:clover
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[时差N小时] 时差N小时:.富兰克林靠风筝发现了电?(上)
Did Ben Franklin really discover electricity with a kite?本.富兰克林靠一只风筝发现了电?2018-01-24 编辑:clover
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[时差N小时] 时差N小时:.富兰克林靠风筝发现了电?(下)
Nor is it true that Franklin discovered electricity, as people tend to say.事实上,富兰克林并不像人们所传的那样发现了电。2018-01-25 编辑:clover
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[时差N小时] 时差N小时:为什么吃完还会饿?(上)
Why are you still hungry?为什么还是觉得饥肠辘辘?2018-02-01 编辑:clover
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[时差N小时] 时差N小时:为什么吃完还会饿?(下)
Why are you still hungry?为什么还是觉得饥肠辘辘?2018-02-02 编辑:clover
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[时差N小时] 时差N小时:大快朵颐能增加营养吸收?(上)
Did last night’s dinner make you drool with anticipation?昨天的晚餐有没有让你意犹未尽?2018-02-09 编辑:clover
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[时差N小时] 时差N小时:大快朵颐能增加营养吸收?(下)
Did last night’s dinner make you drool with anticipation?昨天的晚餐有没有让你意犹未尽?2018-02-10 编辑:clover
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[时差N小时] 时差N小时:为什么生病的时候容易脱水?(下)
Two key ingredients of metabolic reactions are water and oxygen.新陈代谢作用的两大关键因素是水和氧。2018-02-27 编辑:clover
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[时差N小时] 时差N小时:为什么生病的时候容易脱水?(上)
When you have a cold or flu, the doctor (or Dr. Mom) may tell you to drink lots of fluids.当你不幸感冒或患上流感时,医生(或者妈妈)可能会告诉你要补充足够的流质。2018-02-26 编辑:clover
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[时差N小时] 时差N小时:月球表面的记号为何不消失?(上)
In 1969 when Neil Armstrong said “That’s one small step…”, he made a lasting impression.1969年,当时阿姆斯特朗的名言“人类一小步”给人留下了难以磨灭的印象。2018-04-01 编辑:clover
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[时差N小时] 时差N小时:月球表面的记号为何不消失?(下)
In 1969 when Neil Armstrong said “That’s one small step…”, he made a lasting impression.1969年,当时阿姆斯特朗的名言“人类一小步”给人留下了难以磨灭的印象。2018-04-02 编辑:clover
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[时差N小时] 时差N小时:黄金是黄色的吗?(下)
If most gold jewelry is an alloy, why is some white and some yellow?如果大多数黄金首饰是合金的话,为什么有的是白色有的是黄色呢?2018-04-14 编辑:clover