常見例句Low Carbon High Sulphur Free Cutting Steel 低碳高硫易切削鋼Reading occupies most of my free time. 閱讀占去了我大部分的閑暇時(shí)間。Sulphur can be used to make gunpowder. 硫磺可以用來制造火藥。Sulphur was not identified as an element until1810. 1810年以前還沒有認(rèn)出硫是一種元素。The crew remained free from scurvy. 那些船員仍然沒有患?jí)难≈荨?/li>He's a fervent believer in free speech. 他是言論自由的強(qiáng)烈信仰者。 返回 sulphur-free