🗣️ 情景例句
Could you explain it more precisely for us?
您可不可以讲得详细一点？
I wish you wouldn't play the TV so loud.
希望你不要把电视机开得这么响。
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）。