Polyperoxide
n. 聚过氧化物\\n[化] 聚过氧化物
🗣️ 情景例句
He has an old head on young shoulders.
他年轻又有见识。
When the storm broke, I was washing dishes.
当暴风雨开始的时候，我在洗碟子。
Just now we all watched you sign to show that you had received the cheque.
刚才我们大家都观察到了你为表明已收到那张支票而签名。