Pulleys are seen as nonfunctional by some fitness experts due to their constant resistance and inability to accommodate fast movements with light loads due to flying weight stacks.是什么意思_Pulleys are seen as nonfunctional by some fitness experts due to their constant resistance and inability to accommodate fast movements with light loads due to flying weight stacks.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句