【化学】转效点;【电学】断点,停止点。break point: 断点; 断裂点; 破发点; 收支相抵点; 停机点; 突破点; 折点;破裂点; 转效点; 转折点point break: 爆破点; 惊暴点; 惊爆点; 终极豪情point of break: 折断点active break point: 作用断点; 作用断开点; 作用中断点break bulk point: 卸货点下载手机词典可随时随地查词查翻译