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1·The newscast covers topical events and entertainment.

该新闻广播涉及时事和娱乐。《柯林斯英汉双解大词典》

2·Ketchup became a topical issue.

西红柿酱成为一个热门话题。

3·A number of topical antivirals are effective for herpes labialis, including acyclovir, penciclovir, and docosanol.

许多局部抗病毒药可有效治疗唇疱疹，包括阿昔洛韦，喷昔洛韦和二十二烷醇。

4·Results suggest that topical ALA-PDT is a simple and effective treatment for urethral condylomata acuminata.

ALA-PDT 是治疗尿道尖锐湿疣的一种简单、有效的新疗法。

5·Each topical entity must have an identifier.

每一个主题的实体一定要有一个标识符。

6·A second, currently topical, model is driven by crisis.

第二个模型，也是当前的热点话题，就是由经济危机所推动的。

7·She advises keeping small talk finely tuned and topical.

她建议闲聊时要定好调子选好话题。

8·Oral antihistamines or topical steroids may be used to decrease itching.

口服抗阻胺药物或者局部类固醇药物使用能减轻痒的症状。

9·This domain represents the processing layer for topical information.

这个领域代表主题信息的处理层。

10·There are great, topical directories that add value to the Internet.

有一些很好的行业目录，它们为互联网带来价值。

(1)topical application[化]局部施用