Polyarylester
聚芳酯; 聚芳酯
🗣️ 情景例句
It's too hard to explain.
这很难解释清楚。
Her rudeness went too far.
她太粗鲁了。
George took off his jacket, rolled up his sleeves and pushed is right arm through the drain cover.
乔治脱掉外套，卷起袖子，将右胳膊伸进了阴沟盖。