Zhè / kuài / mùbǎn / chángqī / shòucháo / yǐjīng / xiǔbì / bùnéng / zài / jìxù / shǐyòng。

这块木板长期受潮，已经朽弊，不能再继续使用。

This wooden board has decayed after being exposed to moisture for a long time and can no longer be used.