Pioloform
聚乙烯醇縮醛
??? 情景例句
The rich few nations of this world take up the vast majority of the wealth and resources.
少數幾個富裕的國家占有了大多數的財富和資源。
Liberty often degenerates into lawlessness.
自由隨便，經常墮落到無法無天。
Aeroplanes are slowly driving me mad.
飛機正在逐漸把我逼瘋。