Polyepoxide
聚环氧化物
🗣️ 情景例句
I'm sorry, all the balcony seats are gone.
抱歉，包厢的票都卖完了。
Hedges have eyes, and walls have ears.
篱笆有眼，隔墙有耳。
but by now the Thermopylae was over five hundred miles ahead.
但此时，“赛姆皮雷”号早已在500多英里之遥了。