The wood had become swollen from prolonged immersion.

这块木头由于长时间浸泡而变大了。

《柯林斯英汉双解大词典》

Regional lymph nodes become swollen and eventually ulcerate.

局部淋巴结先是肿胀而最后发生溃疡。

youdao

It will become swollen, painful, and prone to infection when thawed.

解冻时，会变得肿胀、疼痛和易于感染。

youdao

Musth refers to a period when bull elephants' temporal glands become swollen, from which a strong smelling fluid, rich in testosterone, runs down on their cheeks.

BBC: Early life care shapes African elephants' future

Her lower body had become swollen.

NEWYORKER: Letting Go

People with asthma can find it hard to breathe when their airways become inflamed, swollen and narrowed.

BBC: Sunshine vitamin 'may treat asthma'