Self introduction: May major is gas sensor. I worked in gas environment pollutants detection for years. Now I come back to university for technical promotion.Everyday, I read serveral English articals as researching refference. I think my English is a little poor, so I need to learn from all of you.Thank you.
Welcome! Forget the grammar, forget the spelling, and forget all the rules of English. We can freely write what we want to express here. This is a good platform to practice our English writing.
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