如果我们只学习语法规则和没有做足够的练习，可以肯定的是，我们无法完全了解它们。

If we only learn the grammatical rules by heart and don't do enough exercises, it is certain that we can't understand them perfectly.

youdao

为选手们做的一般准备和练习的工作量太大了，KeSPA旗下的现有比赛已经足够多了，并且在不远的将来会更多。

Workload and general preparation or practice for players is just too much, with more than enough tournaments currently under KeSPA's wing and even more coming up in the nearest future.

youdao

如果你想要利用机器做抛光，你必须做些功课，跟随著接下来的建议并且经由练习足够的时间来获得经验。

If you go down the road of machine polishing, do your homework, follow the advice laid out below and allow sufficient time to practice and gain experience.

youdao

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