He went to all over the city on to the sketch books, sometimes using water colors to lay in themes.

他把整个城市都搬到了他的素描本中，有时还会用水彩画出景物的主色调。

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Single diseases are managed by multiple initiatives, sometimes using different strategies and drugs.

而对于单一的疾病却采取多重行动来管理，且有时使用不同的战略和药物。

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She learned how to have an ongoing dialogue with her son, now 11, sometimes using news stories as a jumping-off point.

她学会了如何与自己的儿子进行持续的对话，有时会用新闻报道作为切入点。她的儿子现在11岁了。

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Sometimes they sat together, each using an oar.

VOA: special.2010.03.06

Professor CHRIS STONE (Harvard University): They're sometimes using a less-lethal weapon when they wouldn't have used any weapon at all.

NPR: Training Faulted in Death by 'Non-Lethal' Weapon

Tour sponsors had the right to show player photos in their ads, but they were sometimes using only Mr. Woods's.

WSJ: PGA Tour Feels Absence of Tiger Woods From Golf

She learned how to have an ongoing dialogue with her son, now 11, sometimes using news stories as a jumping-off point.

WSJ: To Skip the 'Talk' About Sex, Have an Ongoing Dialogue