📖 今日短文

Before the invention of the light bulb / people used to light their homes with candles or gas lamps.

These older methods / were certainly less safe and efficient.

Thomas Edison / the champion of practical invention / worked tirelessly to create a better solution.

His design was quickly accepted around the world.

This change / however / came with a hidden environmental cost.

Early power plants burned coal / releasing harmful smoke into the air.

Today engineers are developing new methods / to generate electricity more cleanly.

They aim to reduce the environmental damage / while still providing reliable light.

Certainly / the future of lighting will keep evolving.

We can all become champions of sustainable innovation.

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📚 今日词汇

单词	音标	中文	发音练习	例句 + 复读
used to	/juːst tuː/	习惯于……	🔊 讲解词态：used useder usedest 常用短语：used to	I used to think / that the moon was made of cheese / until I learned about lunar geology. My older brother used to spend hours / coding simple games / on his old computer.
methods	/ˈmeθədz/	方法、办法	🔊 讲解词态：method methods methodical 近义词：techniques · approaches · ways · procedures 常用短语：method + of/for	What methods of data encryption / do you think are the safest / for protecting online privacy? Scientists are always looking for new methods / to study the deep ocean / without disturbing the animals.
certainly	/ˈsɜːrtnli/	当然、无疑地	🔊 讲解词态：certainly certain certainty 近义词：definitely · undoubtedly · surely	If you combine baking soda and vinegar / the fizzing reaction / will certainly surprise you! This new app / can certainly help you organize your science project notes / much more efficiently.
champion	/ˈtʃæmpiən/	冠军、支持、拥护	🔊 讲解词态：champion champions championed championing championship 近义词：winner · titleholder · advocate 常用短语：champion + of	My cousin is a true champion of animal rights / and volunteers at the local shelter every weekend. To become a champion of environmental protection / you need to start with small changes / like reducing plastic use.
accepted	/əkˈseptɪd/	接受、普遍认可的	🔊 讲解词态：accept accepts accepted accepting acceptance 近义词：acknowledged · approved 常用短语：accepted + as · widely accepted	The theory of plate tectonics / is now widely accepted / by geologists all over the world. After years of testing / the new vaccine was accepted as safe / by the medical community.
environmental	/ɪnˌvaɪrənˈmentl/	环境的	🔊 讲解词态：environmental 近义词：ecological 常用短语：environmental protection · environmental issues	We learned about environmental protection in class today / and I finally understand why recycling is so important. Environmental issues like deforestation and air pollution / affect everyone / no matter where they live.