Preble
[人名] [英格兰人姓氏] 普雷布尔 Prebble的变体; [地名] [美国] 普雷布尔
🗣️ 情景例句
OK.
好的。
You haven't been around much lately,have you?
你近来不大出来走动了，是吧？
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。