Permaphase
带硅氧烷聚合物层的色谱固定相
🗣️ 情景例句
How wonderful! A boy or a girl?
太好了！ 男孩还是女孩？
Wisdom is a good purchase though we pay dear for it .
为了求知识，代价虽高也值得。
The tragic sinking of this great liner will always be remembered, for she went down on her first voyage with heavy loss of life.
然而，这艘巨轮首航就下沉，造成大批人员死亡。人们将永远记着这艘巨轮的沉没惨剧。