Interarrival
[计] 两次输入的时间间隔
🗣️ 情景例句
Are the bathrooms on this train clean?
火车上的卫生间干净吗？
A good horse often needs a good spur.
好马常要好靴刺。
Have you decided which boat to take, Sir?
先生，您决定用哪只船了吗？