I've been practising my serve for weeks.

我练发球有好几周了。

《牛津词典》

"On my serve it was really blocked extending it," she said.

“发球时，肘真的很难伸直，”她说。

youdao

My service, I always trying — I am always trying to improve my serve.

我的发球，我一直在努力——我一直在努力提高。

youdao

"It is my personal belief that allowing gays and lesbians to serve openly would be the right thing to do.

VOA: special.2010.02.06

Choose this day which ones you are going to serve, but I in my household will serve Yahweh," serve the Lord.

今日就可以选择所要事奉的，至于我和我家，我们必定侍奉耶和华“，侍奉上帝。

耶鲁公开课 - 旧约导论课程节选

I was at Princeton from 83 to 86, got my master in chemical engineering Now i serve as the administrator of the United States Envrionment Protection Agency My engineering background is extremely important to the job i do everyday.

3-86年我在普林斯顿大学学习，取得了化学工程的硕士学位,我现在的职务是,美国环境保护署署长,我的工程学背景,对我现在的日常工作十分重要。

普林斯顿公开课 - 领导能力简介课程节选

I'm feeling very confident with my serve, hopefully for the rest of the season.

CNN: Del Potro rampant in Rotterdam

"Obviously, my serve is a big advantage for me, " she told the tournament's official Web site.

CNN: Venus defends Dubai crown to move up all-time titles ladder

"I'm trying to enjoy the efficiency of my serve, " Djokovic told the ATP tour website.

CNN: STORY HIGHLIGHTS