unabletoestablishaconnection什么意思？

unable to establish a connection無法建立連接雙語對照例句:

1.Unable to establish a connection. Ensure dial-up networking is configured correctly. 無法建立連接。請確保撥號網(wǎng)絡(luò)配置正確。

2.Unable to establish a connection with the web server. Try your search again later. 無法與web服務(wù)器建立連接。請稍后重新進(jìn)行搜索。