Contravalid
反有效的, 无效的
🗣️ 情景例句
I never could tie one of those ...
我从来就不会打那一类的……
How I wish the vacation would last longer!
如果假期长一点那该多好。
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。