Transpex
透明聚甲基丙烯酸甲酯
??? 情景例句
But first you have to smile.
但首先你得笑一笑。
The nearer the bone the sweeter the flesh.
骨肉越親，恩情越深。
no more than one or twofeet thick.
氣墊只有一兩英尺厚。