Commutants
换位矩阵
🗣️ 情景例句
My father always interferes with me.
我父亲经常干涉我的事。
Experience keeps no school, she teaches her pupils singly.
亲身经验，才是经验。
who produced it with a flourish and pointed out a microscopic 'o' beside the time of the arrival of the train at his station;
站长拿着时刻表一挥手，指着那趟列车到站时刻旁边一个很小的圆圈标记。