Wavemeter
[电] 波计
🏥 医学释义
波长计，频率计
🗣️ 情景例句
Going away to college for the first time
第一次离家上大学，
Speak less and listen more.
要少说多听。
he identifies himself with its centre of gravity, its mass, its weight;
他把自身和物体重心、质量、重量融为一体。