draw off

基本解釋

And that starts to tell us where to draw off How many screens do we need?
這開始啟示我們從哪里去提取,我們需要多少屏幕？
The usual way of doing this is to insert a needle into the lump and draw off some cells.
普遍的做法是向這個腫塊上插入一根針，然后取下來一些細胞。
As people present ideas and concepts at the meeting, simply draw off a branch from the sub-agenda items and write a main idea.
當人們在會議中提出看法和概念時，從次要議程中畫出分支記下重點即可。

In fact, you don't have to draw it this complicated way, you could just draw it as a line with and hanging off of it, and you would know that that's a DNA molecule four bases long.
實際上你不必畫的這么復雜,你只要畫幾個線條并標明連接的堿基,別人就能知道它是含四個堿基的DNA
耶魯公開課 - 生物醫(yī)學工程探索課程節(jié)選

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