Polyvinyl chloride acetate
[机] 聚氯乙烯一醋酸乙烯酯
🗣️ 情景例句
To worry about tomorrow is to be unhappy today.
担心明天,今天就不愉快了。
When my mother had died after a tragic accident, he did not quickly recover from the shock and loneliness.
当时我母亲在一次事故中惨死,父亲未能很快从悲痛与孤独中恢复过来。
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