Dsb
abbr. double sideband 双边带; double-strength B (quality glass) 双B强度（玻璃质量）
🗣️ 情景例句
She looks neat and fresh.
她看起来优雅清新。
That is why we have asked you to come tonight.
这也就是我们今晚请你们来的原因。
He is only about five feet high.
他大概只有五英尺高。