Polycarbonates
(polycarbonate 的复数) [化] 聚碳酸酯
🗣️ 情景例句
He won't pay attention to anybody.
他不会听取任何人的建议。
There is a mole under the ground.
地下有一只鼹鼠。
Robert was delighted to see me and equally pleased with my little gift.
罗伯特见到我很高兴，对我的薄礼也感到满意。