And it is all right to draw a line down the middle of the room.
即使你在卧室中间划一条分界线也没关系。
Don't draw a line down the middle of the Pacific unless you absolutely have to.
不要在太平洋拉一条线,除非你必须那么做。
Write your answer on a piece of paper and draw a line down the center of the page.
把你的回答写在一张纸上并且沿中心划一条直线。
I could take and draw a line continually down the molecule where my finger was touching; my finger would be touching a phosphate here, the 5' carbon, the 4' carbon, the 3' carbon, and the next phosphate.
我可以画一条这样的线,沿着这个分子不断向下延伸到我指的地方,我指的这一点代表着磷酸基,5' 碳部位,4'碳部位,3' 碳以及下一个磷酸基
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