Polycarbonates
(polycarbonate 的复数) [化] 聚碳酸酯
🗣️ 情景例句
It is more blessed to give than to receive.
施恩比受惠更有福。
Aunt Harriet presided over an invisible army of servants that continuously scrubbed, cleaned, and polished.
哈丽特姑妈统率着一支看不见的佣人大军,他们不停地擦拭、清扫、刷洗。
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