swell1/swɛl; swel/v past tense swelled past participle swollen /ˋswolən; ˈswəʊlən/1 also 又作 swell up [I] to increase in size 膨胀﹔肿胀: My ankle swelled up like a balloon. 我的脚踝肿得像个气球。2 [I,T] to increase to a much bigger amount or number 增加﹐增多﹐增大: The city's population has swollen to 2 million. 该市的人口已经增加到二百万了。
swell2n [singular 单数] the movement of the sea as waves go up and down 海面的起伏﹐浪涌