单词	see saw
释义	see saw 跷跷板
随便看	gain amplification gain, amplifier gain amplifier gain an advantage of gain an advantage over gainand gain and index dispersion of semiconductors gain and loss gain and loss account gain and loss by exchange gain and losses on disposal gain an insight into gain an offing gain antenna gain a point gain a reputation for gain around a feedback gain around feedback GaInAs gain ascendancy over gainas-gaas quantum well gainas-inp mqw gainas/inp multiquantum well laser GaInAsP-InP gainasp/ in p laser 昼夜兼行昼干夕惕昼度夜思昼思夜想昼想夜梦昼日三接昼日昼夜昼耕夜诵昼警夕惕昼警暮巡要件要价要价儿要冲要击要功要务要劫要劲儿要参