🧩 词语组成解析
🗣️ 情景例句
I know it.
我知道。
The student has made tremendous progress.
这个学生进步非常快。
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。