Chromosorb
红色硅藻土色谱载体
🗣️ 情景例句
I beg you pardon?
对不起，你说什么？
After graduation, Mr. Jones immediately became a member of the United Nations Relief and Rehabilitation Administration.
毕业后琼斯先生就加入了联合国救济善后总署。
Living in a country with plenty of space and a good climate, New Zealanders love all kinds of sport.
由于生活在一个幅员辽阔而气候宜人的国家里，新西兰人热爱各种各样的运动。