swell up
膨胀
例句与用法：
Her ankle swelled up after the fall.
她跌倒后脚踝肿了起来。
Don't prick that boil; allow it to swell up and burst.
不要挑破那个疖子; 让它肿起来自己破裂好了。
swell up
膨胀
例句与用法：
Her ankle swelled up after the fall.
她跌倒后脚踝肿了起来。
Don't prick that boil; allow it to swell up and burst.
不要挑破那个疖子; 让它肿起来自己破裂好了。