基本解釋[化學]返回脫硫法英漢例句雙語例句In the heart of the book moving heart-sweetening story, I was always in difficulties and frustrations is to encourage me, dont back.書中感人心腑的故事，總是在我受到困難和挫折是鼓勵我，不要后退。back sweetening更多例句專業(yè)釋義化學返回脫硫法