vacuum中文解释
n,[真空]真空；空间；真空吸尘器,同近
vacuum例句His presence should fill the power vacuum that has been developing over the past few days..他的出现应该能填补过去几天中形成的权力空缺。
vacuum英语解释真空；空间；真空吸尘器英释nna space that is completely empty of all gas, especially one from which all the air has been taken away
vacuum短语和解释vacuum pump,[机]真空泵.短语
