temporary mark

例句：

1. 1. The painter used a temporarymark to indicate the spot where he hadpainted.
   画家用一个临时标记来指示他绘画过的地方。
2. 2. The company decided touse temporary markers during construction to avoid damagingthe site.
   公司决定在施工期间使用临时标记，以避免损坏现场。
3. 3. The temporarymark was removed before the official unveilingof the new exhibit.
   在正式揭幕新展览之前，临时标记被移除了。