与橡木相比，其他木材的膨胀和收缩速度不同，所以用这些木材做的橡木船的修理会出现裂缝或漏水。

Other woods expand and contract at different rates than oak, so repairs to oak ships done with those woods split or leak.

youdao

木材在潮湿的时候就会膨胀，而干燥的时候会缩小，这取决于其中含有的氢氧基团，它可以吸收和释放水分。

Timber swells when it is damp and shrinks when it is dry because it contains groups of atoms called hydroxyl groups, which absorb and release water.

youdao

木材潮湿后往往会膨胀。

Wood often swells when wet.

youdao