Dsv
abbr. double silk varnish 双层丝光泽面
🗣️ 情景例句
The whole Stewart family is close. Stewart
全家人相处得很好。
What on earth has happened to trouble you so?
到底发生什么事让您如此发愁？
He explained that he had tried to fix the air-line to the supply line that ran round the port but could not because the fittings did not match.
他解释说他想供气管安装到铺设在码头周围的供应管上，但因为接头不相配而接不上。