n.防腐剂，预防法，防护层
adj.防腐的，（能）保存的，储藏的，有保护力的
New timber should be treated with a preservative.
新采的圆木应进行防腐处理.
The wood is treated with preservative to prevent decay.
这块木头用防腐剂处理过以防止腐烂.
Make sure the panels are treated with a wood preservative.
确保镶板用木材防腐剂处理过.
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