同根派生 weight lifter相關(guān)詞英漢例句Protein has become a staple in the diet and supplements of weight lifters and body builders.蛋白質(zhì)已經(jīng)成了我們?nèi)粘ｏ嬍车闹魇常皵H重者和健身者的補充物。weight lifter更多例句