蛋白质和脱氧核糖核酸都是聚合体.Proteins and DNA are polymers.脱氧核糖核酸是存在于每个细胞内的基因物质，它承载从头发颜色到致癌风险等各种遗传型板。DNA is the genetic material inside every cell that carries the blueprints for everything from hair color to the risk of cancer.核糖与脱氧...
You can get kits to do this from DIY stores.你可以在自己动手商店里买一套工具自己来做这个。There were a couple of decent kits knocking around, but this wasn't one of them!这里有几套像样的装备,但这套不是！Her popular pot holder is also available in do-it-y...
He tames lions for the circus.他替马戏团驯狮.He had to knock a number of tames before the maid appeared.扣了十几下,王妈方才把门开了.One only understands the things that one tames.无论是谁,都只理解被他驯服的东西....
Mr. Bob lit his cigar, savoured it appreciatively.鲍勃先生点着雪茄烟, 欣赏地品评烟味.Across the table, his son Benjie munched appreciatively.桌子对面，他儿子本吉有滋有味地吃着。Across the table, his son Benjie munched appreciatively...桌子对面，他儿子本吉有滋有味地吃着。S...
"He went back to the lab", Iris exclaimed impatiently.“他回实验室去了，”艾里斯不耐烦地大声说。The lab has recently been updated to allow for more advanced courses.实验室最近经过更新，可以上更高阶的课程了。Our chemistry teacher often reduces a compound to its c...
You simply can't get a ticket through official channels.通过官方渠道是压根儿搞不到票的.The official number of people carrying the AIDS virus is low.艾滋病病毒携带者的官方数字并不高。A senior White House official said the agreement is close.白宫的一位高级...