Read Edit View history 浮力调整背心 fúlìtiáozhěngbèixīn BCD Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 浮力调整背心/浮力調整背心 · fúlìtiáozhěngbèixīn · BCD 2026/03/04 浮力调整背心 / 浮力調整背心 fúlìtiáozhěngbèixīn BCD buoyancy control device used in scuba diving to maintain neutral buoyancy 他在下水前仔细检查了浮力调整背心的排气阀。 created sense Mar 4, 2026, 02:25 AM