So now that we have enough practice drawing Lewis structures let's talk about actually figuring out this formal charge.

那么现在我们已经做了足够多的画路易斯结构的练习,让我们来讨论一下如何得出形式电荷。

麻省理工公开课 - 化学原理课程节选

So let's do a little practice run through this.

让我们先练习一下。

耶鲁公开课 - 新约课程节选

So let's see this in practice.

让我们在实践中看看这个。

哈佛公开课 - 计算机科学课程节选

The underlying tenet of Goldstein's practice is to boost the immune system and let nature heal itself.

FORBES: Miracle Worker

Let's look at one of the biggest changes in medical practice of the past decade: the decision to stop putting millions of postmenopausal women on hormone replacement therapy, which postulated that replacing the estrogen and progesterone their bodies were no longer making would do them long-term good.

FORBES

In practice, India's legal world is unlikely to let outsiders participate unless restrictions on the country's own lawyers are eased.

ECONOMIST: Law and globalisation