food can varnish

例句：

1. 1. The wooden table needs to be varnished before it can be used again.
   这个木桌需要重新上漆才能再次使用。
2. 2. The artist applied several coats of varnish to protect the wood from damage.
   艺术家在木头上涂了好几层漆来保护它免受损坏。
3. 3. The old house was varnished with a new coat of paint to give it a fresh look.
   老房子被涂上了新的油漆，以给它带来新鲜感。