心音: heart sounds; cardiac sounds ...分裂: split up; break up; rend第1心音分裂: splitting of first sound心音分裂: splitting of heart sounds第二心音分裂: splitting of second heart sounds第一心音分裂: splitting of first heart sounds音分: cent第二心音宽分裂: wide splitting of second heart sound第二心音逆分裂: paradoxical splitting of second heart sound第2部: book two第2层协议: layer protocols第2春: twincast第2单元: unit2 instructions to the students第2档: s second第2范式: second normal form 2nf第2防线: secondary defense第2话: saint seiya the hades chapter inferno; the hades inferno第2回: one litre of tears第2级卷: level 2 volume; level2volume第2季: black lagoon2; ghost whisperer season 2; the pretender season 2第2阶段: phase 2 second phasee第2军: japanese second army第2千年: 2nd millennium第2章: chap.ii= chapter two; chapter two大金刚2(第2关): kingkong ii.2