Sterile means completely clean and free of bacteria.

无菌是指完全清洁没有细菌。

He was writhing with all his might, trying to break free of Ron's grip.

它竭尽全力挣扎着，想从罗恩手里挣脱。

" Why's that? " Harry spat, trying to wrench himself free of Ron, and Hermione.

“为什么这样? ”哈利吐了一口，力要挣开罗恩和赫敏。

The good news is, while I was in there, I re-grouted your tub...free of charge.

好消息是，刚刚我还加固了你的浴盆，免费。

Museum's special exhibition area will now be free of charge.

博物馆的特别展览区即将免费开放。

What about the computers? Can I use them free of charge?

那么脑呢？我能免费使用吗？

The world is not free of conflicts and peace needs to be defended.

天下并不太平，和平需要保卫。

The impulse to help floats logically free of any actual ability to do so.

想要帮助的冲动会自动浮现，即使实际并没有能力提供帮助。

Most recreation classes are free of charge. Enrollment in classes is available to Harvard students.

大部分健身课是免费的，哈佛的学生都可这些课。

The food on the ship is free of charge.

船的食物都是免费的。

If you buy air-conditioners now, they are installed free of charge by manufacturers.

如果你现在买空调，将由厂家免费安装。

Overall, and my training is just free of charge.

总的来说，我的培训是免费的。

They focus on keeping their soil rich and free of disease.

农民关心的是保持土壤肥沃并且免受病害。

These can be picked up free of charge from all health centers.

净水片可在任何保健中心免费领取。

A) It provides refugees with a wide range of courses free of charge.

A）它免费为难民提供广泛的课程。

Ecosystems free of species defined as exotic are, by default, considered the most natural.

默认情况下，没有外来物种的生态系统被认为是最自然的生态系统。

A mind free of constantly bothering emotions and anger will more likely generate something outstanding.

一个没有持续困扰的情绪和愤怒的头脑更有可能创造出杰出的东西。

This exercise will help free you of that.

这个练习将帮助你摆脱这些。

And world-wide, only a few countries are free of the disease.

在世界范围内，只有少数国家没有这种疾病。

You can take 100 cigarettes and 2 bottles of wine with you free of charge.

您能带100支烟和2瓶酒，我们不会收取任何费用。