noun [具体名词] 扫描；[计]搜索，观测；扫掠
Iris scanning can work from a distance. 虹膜扫描可以在远距离操作。
adjective [原级] 扫描的；观测的；搜索的；扫掠的
Malware is scanning through the memory in real time and looking for data. 恶意软件正在实时扫描内存并寻找数据。
verb [vt. 及物动词] 扫描（scan 的现在分词）；浏览
When people throw away food rubbish, they have to pay for it by scanning a barcode on the bin. 当人们扔掉食物垃圾时，他们必须通过扫描垃圾桶上的条形码来支付。
