长期: over a long period of time; ...存在: exist; be的: 4次方是 The fourth power of 2 i ...可长期存在的: long-standing长期存在的不满: longstanding grievancess长期存在的软弱带: long-standing zone of weakness长期存在的问题: long standing issue; long standing problem长期存在的远景: long-range perspectives短期存在的: short-lived长期存在: exist for long; long-term existence可长期存在: long-standing长期存在缺陷: longstanding flaw先期存在的岩石: preexisting rock预期存在的期限: length of time sth is likely to exist or function存在的: available; existential; existing; extant; in existence; inexistence; subsistent长期存储: long term storage长期存储器: long time memory; long-time memory; ltm long term memory长期存活: long-term surviving长期存活者: phiv long-term survivors长期存款: long term deposit; long-term deposit长期存款单: long-term certificate of deposit存在的,[存在句的: existential不存在的: abs; beingless; inexistent; non existent; nonexistent不存在的狗: no more doggin不存在的弧: nonexistent arc