If the amount or size of something swells or if something swells it, it becomes larger than it was before.
例句
The human population swelled, at least temporarily, as migrants moved south...隨著移居者南移,人口出現膨脹，至少是暫時性膨脹。By the end of this month the size of the mission is expected to swell to 280 people...到這個月底，參加該任務的人員規模將有望增至 280 人。
VERB
(身體部位)腫脹，膨脹
If something such as a part of your body swells, it becomes larger and rounder than normal.
例句
Do your ankles swell at night?...你夜里腳踝腫嗎？The limbs swell to an enormous size.四肢腫得不得了。
VERB
涌起，充滿(某種情感)
If you swell with a feeling, you are suddenly full of that feeling.
例句
She could see her two sons swell with pride.她能看出她的兩個兒子充滿了驕傲。
VERB
(聲音)增強,變響亮
If sounds swell, they get louder.
例句
Heavenly music swelled from nowhere.不知從何處響起天籟般的音樂。
N-COUNT
浪潮;浪涌
A swell is the regular movement of waves up and down in the open sea.
例句
We bobbed gently up and down on the swell of the incoming tide.我們隨著漲潮的浪涌輕輕地起伏。
ADJ-GRADED
極好的;了不起的;非常棒的
You can describe something as swell if you think it is really nice.