This is an essential part of research aimed at developing new methods of colorimetric analysis.这是研究发展新的比色分析方法的主要部分.The colorimetric methods involve the bleaching of a preformed color by the fluoride ion.比色法涉及氟离子对预先形成的颜色的...
How do we know you're not just covering up for your friend?我们怎么知道你不只是在为自己的朋友遮掩呢？I might buy one for a friend's birthday as a giggle.我可能会买一件送给朋友当生日礼物，逗他开心。His best friend was killed by police under extremely que...
新学员将于下周某时来校.New students will come to our school sometime next week.前一天[一周]天气很好(以过去某时为准的前一天[一周]).It had been fine the day / week before, ie the previous day / week.人们某时要求快的贷款符合他们的财政需要.It called on a quick loan in line wi...