Vdefend
病毒防御程序
🗣️ 情景例句
Could you explain why you left?
你能解释一下你离开的原因吗？
Contact me by telephone.
电话跟我联络。
It was noticed that there were no signs or warnings on the supply lines that ran round the port.
人们这才注意到，铺设在码头周围的供应管道上没有贴标签或告示。