翻译和例句:
Beautiful lightsDecember 3, 1910: French scientist Georges Claude shows people the firstneon light(霓虹灯) in Paris. He letselectricity(电流) go through somegas(气体). The gas gives off red light. Later he ……
气"greenhouse gas": 温室气体 ……
while suffering from exhaust fumes (气体) while riding a bus, Lu decided to create an operator ……
increase ingreenhouse gases(温室气体) and chemical pollution, the report says.It found the number ……
词汇independent adj. 独立的along with 与……一起affect v. 影响give off 发出(气体等)up to 多达佳句诵读It is said that Singapore ……
Toit didn't give up swimming though.点拨:give up放弃,区别:give off发出,放出(某种光或气体)。真题演练Don't ______ our hopes ……
.科学实验揭秘玻璃杯倒扣时,杯中充满了空气。蜡烛在燃烧时消耗了空气中的氧气。当玻璃杯中有限的氧气被消耗完后,蜡烛就自动熄灭了。这时杯中的空气体积减小,水就会涌入杯中。 ……
让牛吃大蒜可以减少它们打嗝?FARM animals like sheep and cows often burp (打嗝) while eating. They produce about 4 percent of the world's total greenhouse gas emissions (温室气体排放). Now scientists want to change ……
. Carbon dioxide is a greenhouse gas (温室气体). Greenhouse gases make the Earth become warm. To protect ……
美国姐弟齐心协力宣讲有害气体。课件及教案见网站 测试见7版DO you know what radon (氡) is? It’s a dangerous gas that mixes (混合) in the air. It can get into homes and cause lung cancer (肺癌). Christina and Eric Bear are a sister ……
我们为什么会放屁?Pee-yoo!What is that smell? That is a fart. Farts are made of gas (气体). The gas is made in two ways. First, when we eat food, some air can go into our stomach. Second, when our stomach ……
to cut their greenhouse gas emissions (温室气体排放) and use clean energy. Every year, rich countries are asked ……
所有的火山都喷出红色火焰吗?Usually, volcanoes have bright red or orange flames. But in Indonesia (印度尼西亚), a volcano has bright blue flames. It is Kawah Ijen (卡瓦伊真火山).Kawah Ijen has a lot of sulfuric gases (硫酸气体 ……
所有的火山都喷出红色火焰吗?Usually, volcanoes have bright red or orange flames. But in Indonesia (印度尼西亚), a volcano has bright blue flames. It is Kawah Ijen (卡瓦伊真火山).Kawah Ijen has a lot of sulfuric gases (硫酸气体 ……
for the environment. Animals make greenhouse gases (温室气体). But plants don’t.Other foods made from ……
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