重复的冻融循环;重复冻融循环

by Jason Marshall In past articles weve talked at length about three of the big four traditional processes used in basic arithmetic: addition (see also How to Add Quickly), subtraction, and division. However, for one reason or another, we havent yet

发表于:2018-12-07 / 阅读(45) / 评论(0) 分类 数学英语

Stroll through the frozen foods section of the supermarket and youll find frozen corn, peas, and beans. A Moment of Science wonders, why isnt there any frozen lettuce? 你在闲逛超市的冷冻食品区的时候,会看到有冷冻玉米、冷冻豌

发表于:2018-12-28 / 阅读(38) / 评论(0) 分类 初学者听力文摘精选

Why Lettuce Should NOT Be Frozen Stroll through the frozen foods section of the supermarket and youll find frozen corn, peas, and beans. A Moment of Science wonders, why isnt there any frozen lettuce? 图片1 Why Cant I Freeze Lettuce? Freezing is a

发表于:2018-12-31 / 阅读(46) / 评论(0) 分类 英语听力文摘 English Digest

心灵歌汤 cycles of time

发表于:2019-01-01 / 阅读(86) / 评论(0) 分类 心灵歌汤

Anthrax Outbreak In Russia Thought To Be Result Of Thawing Permafrost STEVE INSKEEP, HOST: Russia is fighting a mysterious outbreak of disease. Dozens of people are hospitalized due to anthrax. Yes, anthrax, the bacterial infection so deadly that cer

发表于:2019-02-13 / 阅读(48) / 评论(0) 分类 2016年NPR美国国家公共电台8月

Dog Property Laws 狗的财产法则 1. If I like it,it's mine. 1. 我喜欢的东西,就是我的。 2. If it's in my mouth, it's mine. 2. 在我嘴里的东西,就是我的。 3. If I can take it from you, it's mine. 3. 我能从你那儿拿过来

发表于:2019-02-17 / 阅读(45) / 评论(0) 分类 英语小达人
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