Epocryl
环氧丙烯酸酯树脂
🗣️ 情景例句
take a vacation away from the family--alone.
离开家人而单独在一起渡个假。
How long will you be working in Canada?
你将在加拿大工作多久？
but as yet there is no overwhelmingly specialized patronage.
确实如此，但并没有特别的优待。