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粉末树脂过泸器
🗣️ 情景例句
It is important to speak directly and clearly about your subject.
直接了当且明白清楚地说明自己的目的是很重要的。
In all things, it is better to hope than to despair.
凡事抱希望为佳，不应悲观而失望。
When he woke up, he was still on the mattress.
他醒来时，仍然躺在床垫上。