Polycarbonate
[化] 聚碳酸酯
🗣️ 情景例句
It was wet yesterday.
昨天下雨。
The school is just around the corner.
学校只在拐角附近。
I know! smiled Lucy. They have steps, and they begin with L!
“我知道！”露茜笑着说，“它们有阶梯，并且这个单词是以L开头的！”