Polysulfuration

聚硫化作用

🗣️ 情景例句

You did a great job.
做得好。
The physician said smoking is harmful to my health.
医生说了吸烟对我的健康有害。
'Would you mind unlocking this suitcase please?'
“请打开这只手提箱好吗?”
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🔤 更多 P 开头的单词

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