Vacual
真空的, 近于真空的
🗣️ 情景例句
Every cloud has a silver lining.
再黑暗的地方也有一线光明。
Did you go to the church this morning?
你今早去教堂了吗？
He added that a student had dressed up as a policeman and was playing all sorts of silly jokes on people.
还对工人说，有个学生常装扮成警察无聊地同别人开玩笑。