swell up
Swell up means the same as swell.
When you develop a throat infection or catch a cold the glands in the neck swell up.
当你咽喉发炎或感冒时,扁桃体就会肿起来。
swells , swelling , swelled , swelled , swollen
If the amount or size of something swells or if something swells it, it becomes larger than it was before.
The human population swelled, at least temporarily, as migrants moved south.
随着移民们南移,人口出现膨胀,至少是暂时性膨胀。
His bank balance has swelled by $222,000 in the last three weeks.
在过去的3周里,他的银行存款增加了22万美元。
If something such as a part of your body swells, it becomes larger and rounder than normal.
Do your ankles swell at night?
你的脚踝晚上会肿吗?