Wavemeter
[电] 波计
🏥 医学释义
波长计，频率计
🗣️ 情景例句
Fortunately, they returned safely.
说来幸运，他们平安回家了。
Joy and sorrow are next-door neighbours.
是喜是忧难以分。
The day after, Patrick went to the house once more and asked exactly the same question.
第三天，帕特里克又去了，提出了同前两天完全一样的问题。