For instance, when we stand for a long time, the blood that makes up 60% of body weights will be pulled push down.So, it made the feet swelling. swell up.是什么意思_For instance, when we stand for a long time, the blood that makes up 60% of body weights will be pulled push down.So, it made the feet swelling. swell up.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句