Microplastics in household dust could promote antibiotic resistance
Polyester and nylon seem to be common sources
Plastics are man-made materials that are unnatural to this world,
but that does not s...
| 英文文章 | 文章字數 | 測試時長 | 準確率 | 速度 | 退格數 | 出錯數 | 成績 |
|---|---|---|---|---|---|---|---|
| 《Perilous plastic》 | 3187字 | 2.0分钟 | 100% | 119 CPM | 19 次 | 0 | 及格，继续努力！ |
| 勵誌名言: 为人民服务。 ——毛泽东 | |||||||
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