Intermediacy
中間性
??? 情景例句
Oh, you really had a bad day.
哦 你們真的沒玩好。
Danger itself is the best remedy for danger.
危險本身就是對付危險的最好辦法。
a wave length (the horizontal distance between two wave crests),
波長（兩個浪峰間的水平距離）