压力-浓度-温度

PartI Getting ready A: 1.Freezing point 2.Relative humidity 3.Calm 4.Barometric pressure 5.Wildly scattered 6.Shower 7.lows 8.Variable 9.Thunderstorm 10.Gales B. 1.the freezing point of water is 0 or

发表于:2018-12-03 / 阅读(54) / 评论(0) 分类 Listen this way听力教程

生病受伤时请医生看病 Do you need a doctor?用叫医生吗? Please call an ambulance.请叫救护车。 I'd like to see a doctor.我要看病。 I'm not feeling well.我觉得身体不舒服。 would you send me a doctor?你能帮我请位医

发表于:2019-01-06 / 阅读(86) / 评论(0) 分类 英语会话词典

【英文原文】 If I were to stop drinking water right now, how long could I live? There are several different factors involved here. A human being isnt an automobile which needs a certain amount of gas. There are conditions under which a person c

发表于:2019-02-16 / 阅读(37) / 评论(0) 分类 英语听力广播—Listening

Probably all, or nearly all, who have experienced a cold winter, are familiar with the cheery cry of the snow as it is pressed against a hard surface by the steel tire of a wagon, for instance, or even onto a pavement by the heels of ones boots. Thos

发表于:2019-03-06 / 阅读(102) / 评论(0) 分类 英语时差8,16

Snowflakes are small ice crystals. Snowflakes near the ir melting temperature can, through hand pressure, be made to fuse into a snowball by a process of melting and re-freezing. The snow yields to pressure gently and progressively and doesnt make so

发表于:2019-03-06 / 阅读(97) / 评论(0) 分类 英语时差8,16

Maybe. A change in barometric readings may be part of the reason: Atmospheric pressure often drops right before bad weather sets in; this shift could cause body tissue to expand, which can lead to swelling and pain. 也许吧,气压变化有可能是

发表于:2019-03-06 / 阅读(114) / 评论(0) 分类 英语听力广播—Listening
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