1 [I,T] swell (up) to become or to make sth bigger, fuller or thicker (使)更大,更满,更厚:
After the fall her ankle began to swell up.她跌倒后脚腕开始肿胀起来。Heavy rain had swollen the rivers.大雨使河水高涨。
2 [I,T] to increase or make sth increase in number or size (使)(数目或大小)增加:
The crowd swelled to 600 by the end of the evening.到了晚上,聚集的人群增加到600人。
3 [I] (written 书面语) (used about feelings or sound) to suddenly become stronger or louder (指情绪或声音)突然高涨,突然响亮起来:
Hatred swelled inside him.他内心顿时充满仇恨。
swell²
/swel ||; swɛl/noun
[sing] the slow movement up and down of the surface of the sea 海面的缓慢起伏