Dsb
abbr. double sideband 双边带; double-strength B (quality glass) 双B强度（玻璃质量）
🗣️ 情景例句
Help me get this stuff out of the car.
帮我将这些东西拿下车子。
Being happy in my work is most important to me.
工作中开心最重要。
Hello, Helen.
你好，海伦