n.文件归档
n.锉；锉屑
动词file的现在分词.
He has a temporary job as a filing clerk. 他临时做文件归档工作。
Put a band round the filing card to stop them falling on the floor. 用橡皮筋捆扎档案卡以防其散落地上。
He spent hours filing the iron rod in two. 他花了几个小时把那条铁棒锉成两截。
They are filing the teeth of a saw. 他们正在用锉子锉锯齿。
