单词	improve upon
释义	请查阅词条：improve on/upon
随便看	communicably communicably communicant communicants communicate communicated communicatee communicate in communicate one's thoughts communicate one's views communicates communicate to communicate with communicating communicating communicating communicatings communication communicational communicational communicationally communication cord communication engineer communication engineering communication gap 判官判定判断判明判案判罚判罪判若云泥判若天渊判若鸿沟 Schneckenpumpe Schneckenrad Schneckenradachse Schneckenradantrieb Schneckenradausgleichgetriebe Schneckenradfräser Schneckenradfräsmaschine Schneckenradgetriebe Schneckenradkranz Schneckenradlenkung