Although I feel your quotation is acceptable, I still can't accept it now as the authority given to me is limited.(英译汉)
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你方价格太高,所以我们难以还价,希望您采取主动,以缩小差距。(汉译英)
$str = "i want to beijing";echo "截取字符串:".substr($str,-7,-4);则输出的字符串值为
还原糖是指具有还原性的糖类。其糖分子中含有游离的()
用直接滴定法测定食品中还原糖含量时,滴定终点是这样确定所用的指示剂为()。