Defoe
[ [di'fəu] ]
大学 College
n. 笛福（英国小说家）
🗣️ 情景例句
Now that the technical problems have been settled,
既然有关技术问题已经解决，
He sketched the situation in a few vivid words.
他用几句生动的话概况了形势。
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）