Epon
環(huán)氧樹脂
??? 情景例句
That sounds very nice. When will it be?
聽起來真不錯，什么時候呢？
He that converses not knows nothing.
不和人交談的人一無所知。
'And you didn't notice anything unusual?'
“您沒有注意到有什么異常情況發(fā)生嗎？”