事前的例句（事前在句子中的用法）

• They used strings previously treated with powdered glass. 他们使用了事前用玻璃粉末处理过的绳子。
• They have got advance information of the storm's approach. 他们事前已得到将有暴风雨的消息。
• It is better to be safe than sorry. 事前小心为上,好过事后遭殃。 出自：英语谚语
• There were knobs and doorbells where one touch had covered another beforehand. 还有事前已被触摸层层覆盖的门把和门铃.