Expressions
n. 表情；公式；表达式；表示式（expression是复数形式）
🗣️ 情景例句
Please don't do it without asking.
未经允许请不要那么做。
Thank you very much.
太谢谢你了。
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。