再次的，医生们慎重起见，建议怀孕女性避免局部使用水杨酸。

Again, doctors are being cautious by recommending that pregnant women avoid the topical use of salicylic acid.

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Kirn说，基因和蛋白疗法之前仅限于局部使用，而此项研究则开启了对其进行重新评估的大门。

Kirn said the study opens the door to retest existing genetic or protein treatments that had previously been limited to patients with localized tumors.

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还有一点很特殊的是，我们使用的紫杉醇，浓度不像在治疗癌症时那么高，而且，只须局部使用。

And I think what is also cool is that we use it in a much lower concentration than you would use it in anti-cancer treatment, and you also only apply it locally," he said.

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It's also used as a local anesthetic for other types of small procedures.

它还会在一些小的治疗过程中,作为局部麻醉剂使用。

麻省理工公开课 - 化学原理课程节选