Now we'll take a sample from a vein.

现在我们来取静脉血样。

youdao

If you place an order, you can take a sample free of charge.

如果你下单，你可以拿一个免费的样品。

youdao

Let's take a sample trivial class for modeling users, as shown in Listing 3.

让我们用一个普通样例类(如清单3所示)来建模用户。

youdao

The handlers note where the scat is found and take a sample for analysis to determine if it is from a tiger and to check the animal's health.

VOA: standard.2010.02.22

You don't have to count all the leaves on the tree, you can take a sample and you count that and then you multiply.

你不必数树上所有的叶子,你可以抽样,然后计数,再相乘即可

耶鲁公开课 - 金融市场课程节选

Do I go out to Harvard yard and take a random sample ? of sophomores to study meditation?

是不是可以在哈佛大二学生里随机抽样,来研究冥想？

哈佛公开课 - 幸福课课程节选

The one-metre-long remote-controlled chopper allows Dr Acevedo-Whitehouse's team to take a sample without the whales being disturbed.

BBC: How do you breathalyse a whale?

Your doctor may want to take a sample of the pancreatic cyst fluid to determine if cancer cells are present.

CNN: Pancreatic cysts

OSIRIS-REx will visit an asteroid called 1999 RQ36, take a sample of at least 2.1 ounces and bring it back to Earth.

CNN: So, about that asteroid near Earth ...